There is a surge of excitement when news of a massive warehouse fire comes through on the teleprinter. The scale of the incident is getting bigger all the time and Nick, Kate and recall are send into a basement to find the night security man. Josie and two other members of Charlton Blue Watch are back up. The security man is found on the second floor and Nick's team are called back. but as they return, an explosion rips through the the basement where Recall is pinned by a huge wooden beam with his air supply running low. At ground level, Bayleaf locates a hydrant under a lorry. He succeeds in attaching a standpipe to the hydrant by crawling underneath a lorry but needs Hallam's help to turn it on. Suddenly the building collapses burying the two under an avalanche of rubble. Meanwhile, Josie's team have reached Nick, Kate and Recall and give them much needed air. At last the vibraphone locates life in the rubble, Hallam is dragged out alive but Bayleaf is still missing.

Blue Watch is grumbling because they are on duty on a Sunday. A young girl has gone missing in an old warehouse and the brigade is called to find her and get her out. Kate, the slimmest one of the watch, is sent through the ventilation system and finally locates the girl stuck under debris in one of the rooms. A hole has to be cut into the outside wall to get in there and free her. Elsewhere, a young guy has cracked up after too many rows with his parents and too many computer games. He climbs up a crane. Bayleaf is sent up to talk him out of his suicide plans, but the boy stuns him by explaining that his folks "told him to". At the end of this long Sunday, the girl is freed from the warehouse, but the boy loses it completely and falls from the crane, much to Bayleaf's shock.

ACO Bulstrode calls Nick to his office to explain about the crash of a fire appliance with a motorcycle driver. Kevin tells George that his Dad has cancer. A man comes to the station with his little boy who has swallowed something and is close to choking. Nick rescues him with a huge pat on the back, making him cough up whatever was stuck in his throat. Patti Pearce arrives in London to settle down with her husband. Billy takes his newest girlfriend into his passion wagon. Bayleaf keeps suffering from nightmares after the accident. Colin tries to talk Zoë into having kids, but she insists on having her own career. Dossers have hidden in an old cellar where they get high on glue and cause an explosion. Blue Watch is called to put the fire out and Hallam joins them with Jonah and the F.I.U. While Bayleaf tries to evacuate a couple from a high window, one slips and falls off the ladder. Nick runs through the flames to save a burning dosser and crashes through the floor into the basement with him. Instead of taking charge, acting sub officer Pearce runs to help Nick, causing Blue Watch to act disorganized and without coordination. When Hallam arrives at the scene, he shouts at Pearce for his cock-up and takes charge himself, sending the others to evacuate Nick. Diana is just visiting Nick in hospital, when Hallam and Sicknote arrive, seeing him with his new girlfriend. They tell him about Pearce's blunder and do nothing to cheer him up. In the supermarket Claire is attacked by the woman whose husband was knocked over by Bayleaf, bitterly asking how she could be with such a reckless man . Bayleaf will have to go to court to defend himself against the charge of reckless driving. Hallam is not too happy when he comes home and finds the Pearces in his living room with Sandra. The whole watch comes to watch "Richard III". Jean catches Sicknote and Cynthia in the dressing-room. Nick gets a shock when he comes to visit Diana at home for the first time to meet her parents - and her father turns out to be ACO Bulstrode!!

A City yuppie, much the worse for drinking, drops his filofax on the track at a London Undergound station. Amazingly he climbs down to retrieve that scattered contents - in the path of an incoming train. Blue Watch arrive to find the man still alive and free him by jacking the carriage up. Riddled with the guilt at her suicide attempt, Kevin visits Marion. They patch it up and agree that Kevin should move in. Kate is getting dis-enchanted with Jeff, the fireman she met in Kent, but passes her end-of-probation exam. A hotel goes up in flames, leaving guests screaming for help from upstairs windows. Inside, Colin risks his life to save a colleague. Nick is suspicious about the hotel's safety and, on confronting the manager, discovers that alterations made since the building's fire certificate was issued had turned the place into a death trap. And when a constituent chains herself to Sicknote's railings, he decides he's had enough of being a Councillor.

Bringing a party of young children to London for the day, a coach driver id distracted by their antics and has to swerve through the central crash barrier to avoid a car. The coach plunges down an embankment, leaving the driver, a teacher and one boy dead, with others screaming in pain. Rejoining the Watch is Recall, so named for his photgraphic memory, while Colins chosen venue for his date with Zoe is a home game at Millwall FC. He can't understand why she doesn't answer the phone the next day. Blue Watch are called out to a gruesome accident in a block of flats where a youth is decapitated after mucking about with his mate on the roof of the lift. The blood-soaked body is discovered at the bottom of the lift shaft. kevin reveals his feelings for Marion three, but finds she is still seeing Technique. Drunk and upset, he turns up at Nick's birthday party, held at Uncle Demitri's restaurant. Kevin tries to pick up Nick's teenage sister but becomes abusive. Nick sees it as a family insult and floors Kevin with a right hander.

Blue Watch is still playing basketball and Nick brings them their own team shirts - "Blackwall Blaze". Hallam tries to teach tactics, but the guys prefer chatting. Crooks throw a molotov cocktail into a pub, which goes on fire. Upstairs, people are trapped in their flats. Hallam has a hard time to save himself by lifting himself up through a window in the ceiling, dropping his BA and helmet despite the smoke to be lighter. Blackwall Blaze is ready for their first Basketball match, but the opponents turn out to be a lot taller - and better. Colin gets knocked on his nose and drops out, so that coach Hallam has to join himself, but to no avail. Blue Watch suffers a miserable defeat. Hallam suggests to go boozing in a strip club to cheer themselves up, but the club has been closed and the pier is deserted. The mood is as gloomy as the weather, just when they see a girl about to jump into the sea from the pier. Recall and Hallam heroically jump into the sea after her to save her - their day out turns into another rescue operation. In the end, they find an open pub, where they get drinks and flirt with women. Hallam, Sicknote and Bayleaf, racked by private problems are glum and get drunk. Jaffa first urges them to go home, but loses his mind over a woman and is later found in their camper with his trousers down. Bayleaf cries about Melanie on Sicknote's shoulder. Colin is so drunk that he has the courage to phone Zoe in London and propose to her - while the other guys laugh themselves silly. Zoe, who's with Kelly, is beside herself with joy. Hallam's blissful memories of their night out are shattered when Sandra finds a picture of the "firemen heros" in the morning paper - showing them surrounded by women.

Colin and Zoe are preparing their wedding day. Bayleaf goes to Spain and yells at the lazy, sunbathing private eye to help him find Melanie. Two crooks fiddle with some electric gadgets in a hotel room, causing a huge explosion and a big crash on the street. Colin finds the remains of the electric gear in the hotel room and takes them outside. Meanwhile Sicknote realizes that the walls start crumbling and shouts at everyone to quickly leave the hotel. A helpful policeman tells Colin that he is in fact holding a bomb and orders him to stand very still. Colin is scared stiff and shaking too much to put the bomb down safely. Nick has to help him. An expert later explains that the bomb wasn't sharp yet and nothing could have happened, so Colin wet himself for nothing. Bayleaf finally sees Melanie, who's being used as a servant girl in a cafe. She manages to steal away and he tells her to quickly fetch her passport and return. They manage to escape and he takes her home to England. Colin refuses to tell the others where he and Zoe plan to spend their wedding night to avoid having a prank played on them. On his stag night, Sicknote tries his skills at Karaoke. Kate meanwhile decides to give Ian a chance despite losing his baby and invites him to Colin's wedding. The lads tie a totally drunk Colin to a lamp post in the pouring rain until he tells them the hotel's name. Zoe makes a wonderful appearance at the church in an ancient fire engine, while Blue Watch have donned their parade uniforms. The wedding is only disturbed by the loud wailing of Colin's Mom. When Zoe throws the bridal bouquet Ian catches it, making Kate blush. George, Recall, Sicknote and Kevin come to the Clarendon hotel, asking for the Parrish's. But only a couple named Smith have booked in for the night. Suspecting a fake name, the guys barge into the hotel room with a lot of noise, scaring the living daylights out of the poor couple in the room - who are strangers indeed. Colin and Zoe are meanwhile enjoying an undisturbed wedding night at the Tower Thistle hotel. During the next duty, Nick hands over a postcard from Colin, explaining the hoax. The series ends with a threat of Blackwall being closed and Hallam making a passionate speech to save the fire station.

The arrival of new Station Officer Nick Georgiadis ruffles a lot of feathers. A strict disciplinarian, he finds fault with the appearance, sloppy practices and conduct of everyone from Hallam down. The atmosphere is hostile. Relief comes in the form of a shout to a sewer where three men lay injured by a gas explosion. Two had gone upstream to repair a fault but gas started to fill the sewer chamber. The noise from their work prevented them from hearing the gas detector. The result is that the pair are pinned under rubble while the third has a severe headwound. Under Nick's impressive command, Blue Watch free the trio. Afterwards, Nick has words with Hallam about their professional relationship and at home Sandra's constant nagging about the kitchen doesn't make Hallam a happy man. Kevin becomes involved in a brawl with his sisters boyfriend Rick and at the next roll call, Nick sends the battered and bruised Kevin home.

An elderly woman accidently reverses her daughter's car and crashes through the wall of the parking lot - several feet above the ground. She is left dangling with the front wheels in the air, but Blue Watch come to secure the car and help the woman to crawl out of the car through the back window. Hallam and Jonah are meanwhile investigating a fire elsewhere and Laura talks to Sandra about her worries for Jamie. Nick's crew goes to investigate a call about smoke issuing from a building, but they only find a group of homeless people who have lit camp fires outside against the cold. Bayleaf asks Pearce to help him in court, because he had been in the front seat next to him and can testify that he had seen the motorcyclist coming out of nowhere. But Pearce insists that he has seen nothing and can't help him. Sicknote and Billy can barely prevent Bayleaf from jumping at his throat. When Kevin leaves the station after duty, he finds his father waiting for him, having served his time in jail (again). Jean accuses Sicknote bluntly of an affair with Cynthia. Nick takes Diana to his flat and she stays over night. A boy who can't handle the fork lift in a warehouse, causes a crash and gets buried unter the fork lift. He has damaged a gas pipe and Blue Watch have to put on BA to enter the warehouse and get the trapped boy out. George wins his boxing match and the whole watch cheers him.

A light aircraft carrying two businessmen crashes into a warehouse. In the process it breaks in half and sets fire to a lorry. When Blue Watch arrive, they are faced with the problem of how to make the plane safe enough to reach the two passengers, one of whom is seriously injured, as well as the dead pilot. The solution is to raise the fuselage on a giant airbag. Acting Station Officer Hallam is being interviewed for promotion. His wife Sandra feels sufficiently confident to order a new kitchen on the basis of his increased salary. Clare and her children moves in with Bayleaf and Malcolm has found a new lodger to help out with the mortgage - a classy law student called Helen. Sicknote decides to run as the Green candidate in the local elections. Dozy Colin misreads an address of a hotel fire and sends Hallam and the pump to the wrong place. Luckily it is a hoax call but Colin's probationary period is extended for three months. George's girlfriend Kelly tells him she's pregnant and invites him to a party to meet her family but a stunned George finds its their engagement that everyone is celebrating!

A basement recording session turns to disaster when a frying pan catches fire near a sleeping roadie. In the soundproof booths, no-one can hear the fire alarm until one of the technicians opens a door and is confronted by a blazing corridor. To make matters worse, the fire-door has been locked to keep the groups fans out. Four bodies are brought out. Hallam has done a good job but he has not gained full promotion. Sandra takes the news badly and in a bid to cheer Hallam up, Bayleaf volunteers the boys to install the new kitchen. But Sandra is left with a large hole in the wall when the lads forget to order the right size window. George remains sober on his his stag night. At the reception, one of Kelly's drunken relatives slags off the Fire Brigade and George flattens him. Then in the honeymoon suite, George gets his big surprise...... Kelly may not be pregnant. Meanwhile, Sicknote is elected to the council.

Two boys break into a boat moored in a marina and take out the cooking gas cylinder to sniff it. Alerted by an alarm, a security guard goes to investigate. One youth escapes, but the other is still sniffing when the guard turns on the light, causing a huge explosion. When the Watch arrive, several boats are on fire. Kevin spots the security guard in the freezing water and dives in without a line. Nick then has to dive in to rescue Kevin and see the mutilated body of the second youth floating alongside them. George learns that he is going to be a father but Nick is fed up with the constant pressure for him to marry cousin Ariadne. Colin and his uncle Jaffa taje their revenge on Technique who has sold them a dud window-cleaning round. Marion finally realises Technique is a rat and tries to make it up with Kevin. When he won't have anything to do with her, she takes pills and vodka and is rushed to hospital.

Blue Watch gets a videotape in the mail informing them that their mascot has been kidnapped. Instead of paying ransom they invade Borough St. Station at night and Malcolm steals the dentures of one of their firemen, with which he scares Colin to death. Next morning, the fuming but toothless fireman from Borough St. turns up with his mates, demanding his teeth back. Recall hands them over in exchange for the kidnapped plastic fireman. Nick is fuming when he hears the full story, but even when he grills his firemen in the station office, they can hardly surpress giggling. Two little kids play around in a car, setting it on fire with the smaller one trapped inside. Although Blue Watch can put out the blaze, the poor kid is fried. POP's is auditioning for "Richard III". After securing the male lead for himself, Sicknote casts a newcomer named Cynthia as his partner, leaving Jean fuming with jealousy. Colin learns that he may stay in the fire brigade despite his earlier bungles. Nick is in court about a bungle and faulty orders during an earlier shout (?). A guy accidentally sets the attic of his house on fire and Blue Watch is called to put it out. After the shift, Colin has a big party to celebrate his success, but his Mom is NOT pleased when she catches him and Zoe snogging.

An illegal garage where stolen cars are changed and get new colours goes on fire with a guy trapped inside. Kate has gone to see her doctor and arrives late for duty, missing the firemen who are just rushing off to the garage fire. A hose gets tangled up and George pulls at it, causing a shelf to collapse and bury Kevin beneath. He is freed, but the trapped guy gets fried. Sicknote goes to visit Cynthia at home. Helen complains about Malcolm choosing the brigade first. Kelly secretly hopes that George will come and take her home, but her mother sends her to her room like a little child and tells George on the front door to get lost. Zoe is furious that Colin still hasn't talked to his Mom about moving out. In the end, both Colin and George are forgiven. Sicknote and Cynthia start rehearsing and end kissing in earnest. After Kate's refusal to get in touch with Ian, her flatmate Mary interferes and goes to talk to him. Kate is NOT happy when she comes home to find him on the couch, knowing about her pregnancy. Bayleaf receives a postcard from Melanie, confirming that she has been taken to Spain by her mother. Malcolm has gone to lead an ancient bloke around the brigade museum and listens to his tales. It makes him decide to quit the brigade and go to Brussels with Helen, choosing her above his job. The others all say goodbye.

Kelly and George enjoying some domestic happiness with their baby Sean, Recall and Laura are relieved when Jamie can leave the hospital after the successful transplantations. A burglar trying to enter a wine store in "mission impossible" manner slips, and is left dangling in mid-air for the rest of the night. Hallam, Recall and Bayleaf engineer a prank on Colin writing a fake memo with juicy contents he is to copy for the area command headquarters. Over-zealous Colin hands the memo to the brigade mailman who takes it away before Hallam can stop him. He and Bayleaf bicker about the prank gone wrong, blaming each other, until Nick almost catches them out. The private eye tells Bayleaf and Claire that he has found Melanie. Sicknote comes home to find Cynthia with Jean, "making friends" - when they get a minute on their own, he tells her to leave him alone. Kate tells Ian that she has decided not to keep the baby in order to continue her career at the fire brigade. ACO Bulstrode sees Nick about the odd memo, but while he can take a joke and laugh about the prank, Nick is furious. Colin hears from another fireman who brings fresh oxygen bottle that he has been on the butt end of the watch's practical jokes once more and is upset. Kevin goes on his survival training. He is pleased to see Marion coming to visit him at the hotel, but she has only come to tell him it's over. Having lost Vaseline years ago, she couldn't bear the thought of losing another firefighting boyfriend, so she quits. A huge gas-filled pig explodes in a nightclub, causing a big fire and panic among the young clubbers. As the crowd tries to get out of the burning building, Kate is knocked to the ground and trampled on. Back at the fire station she realizes that she has lost the baby.

Billy has received his share of the fixed boxing match and being the honest soul, he is, he goes to offer George his share. But George is pissed off when he learns that the match had been fixed and Billy actually won money from his loss. When he turns up for duty with his battered face, Nick gives him a reprimand and sends him home. Sally reluctantly allows her boyfriend Eddie to lend her car while she is on duty. During night shift they have to free a couple who got stuck in their car in a very peculiar position after the guy slipped a disc. They have to cut the roof off to free them. Billy gets into trouble when he refuses an order by Nick and teases Kevin almost into a fist fight. Patti goes to visit Jean in an attempt to make friends, but Jean doesn't appreciate her sticking her nose into other people's business. Sally is mad, when she leaves the fire station after the shift and finds that Eddie hasn't returned the car. He turns up with the car and flowers after four days. On a long walk, Bayleaf finally proposes to Claire - she accepts. Blue Watch is just putting out a small fire, when young joyriders, chased by the police, crash into a tanker and cause a huge blaze at a petrol station. Hallam bravely darts through the flames to help two guys out of the station shop. Leaking fuel causes the fire to spread to the used car lot next door, igniting several cars. Nick drives the pump towards a roof to help people escape from the first floor onto the roof of the pump. Sally helps to evacuate the rest via the long turnable ladder. The whole area is covered in foam, making it look like after a snowstorm.

Jean is treating Sicknote extra-nice, happy to be home. Kevin hears from a stable boy about the fixed races and goes to thump Charlie. Blue Watch is called to a burning shed, where lots of fireworks are stored. When they explode, they cause a serious threat to the firemen, while the guilty pranksters only laugh. On returning to the station, Kevin learns that his father has died in hospital. He goes to support his Mum. In court, the car driver gives a tearful testimony, but finally admits that he saw the motorbike and Bayleaf had had no chance to avoid it. Bayleaf is found not guilty of reckless driving and Blue Watch goes to party at the Wilson's house. Nick goes to see Diana, but finds a stranger in her flat, erupts in jealousy and leaves again. The Pearce's have prepared a house-warming party, but nobody comes except some spooky characters from Bristol. Kevin gets a box from his dead father that contains lots of money - all the money he made from the fixed dog races. He breaks down in tears. Blue Watch is baffled when Maggie appears at Bayleaf's party with her Thai toyboy.

Amid a heat wave, there's little support for Sicknote's rehearsals. Pearce hunts information on Hyper. George reveals he and Kelly have split.

The members of Blue Watch tackle one of their toughest shouts, a fire started by teenagers in a warehouse full of fireworks.

George's brother-in-law Cyril is threatened by debt collectors but Beattie doesn't get an explanation. Bayleaf goes to talk to Karen, who remains stubborn about wanting custody for Melanie. A well-dressed woman has apparently locked herself out of her house and sweet-talks Nick into breaking in for her. The men are all charmed by her, only Kate is suspicious, but nobody listens to her. Despite the lady's calls to be careful, Recall manages to destroy half of the bathroom when he climbs through the window. In the evening, a furious stranger comes to the fire station demanding to see the station officer. He yells at Nick that the "charming lady" was in fact his ex-wife whom he had tried to keep out of the house by changing the locks on the doors. Now she has run off with half of the household. Nick and the guys are speech less, while Kate enjoys herself. During rehearsals for Richard III., Jean and Cynthia continually bicker. George and Kelly are just visiting when the debt collectors appear at Beattie's place. George drives them away for the time being and offers Beattie to move in with them. Sicknote takes Cynthia home after the rehearsal and kisses her, but she runs off. On the next morning, Karen comes to Melanie's school and lures her away. At the fire station, Kevin asks Nick about a possible promotion - Nick suggests specialization somewhere. Thick fog causes an accident on the motorway and a huge pile-up. A man is trapped in his burning car. Blue Watch manage to get through to the site of the accident and Nick sees a lorry with gas bottles that could possibly explode endash and later on do. The firemen try to support the many victims, while Nick and Hallam wonder about onlookers and reckless drivers. On coming home, Bayleaf realizes that Karen has kidnapped Melanie.

Part of Blue Watch is at the scene of a flooded house, being forced to evacuate an old lady, her cat and her furniture. The others are enjoying a freshly refurbished fire station with new lockers and a new kitchen. They also have two new firemen as replacements for Malcolm and Kate - young cheeky firefighter Billy Rae and pompous leading firefighter Geoff Pearce from Bristol. Nick is not pleased when he sees Hallam's crew returning with all the furniture and junk they had to take out of the flooded house, but Hallam explains that the old lady's brother will put her (and her stuff) up.

Maggie has gone to Thailand where she is enjoying herself with a Thai toyboy. Billy introduces Bayleaf to his Nan, who has raised him. Sally allows Eddie to stay at her place but resents his overtures. Hallam is forced to give Geoff lifts to the station and back home, after the Pearces moved into the neighbourhood. Recall returns to duty now that Jamie is getting better. Eddie is just about to lend Sally's car without asking, when George catches him and Sally angrily sends him away. Two boys play a prank on the manageress of a laundrette by locking her in the office and setting the machines to produce huge masses of foam. Billy and Colin wade through the foam in BA to free her. Hallam and Sandra are driven to hiding behind the sofa, when the Pearces come for yet another visit. Three drunk football fans crash a party and throw a molotov cocktail into the house. The banners that decorated the hall, cause the fire to spread everywhere very quickly. A guy has a fatal fall from a flagpole. Sicknote climbs over the roof to save a woman and her baby who were stuck in an attic room. Jean, who is staying with Sandra, sees his heroic rescue operation on TV and is so moved that she decides to return home - telling a surprised Sicknote that he is "on probation" for the time being. Kevin, Billy, George and Sally go to the dog races but much to Kevin's surprised his so far very successful dog suddenly loses. He begins to smell a scheme. Bayleaf has to go to court about the crash between his pump and the motorcycle.

The team rushes to a smoke filled plane, successfully freeing the passengers. George insists he wants a divorce, and the 70s night end in calamity.

The warehouse shout continues and a tabloid journalist worms her way into Sandra's kitchen where the anxious wives and girlfriends have gathered. Clare, who's late fireman husband died on duty, faints when she is told bayleaf is missing presumed dead. At the shout, nearly all personnel is involved with clearing the rubble, with Blue Watch and Josie working frantically. At last, the vibraphone picks up something under the lorry and Kevin and Colin crawl under to jack up the lorry. they find Bayleaf unconscious but alive and drag him out to waiting paramedics. In hospital, Bayleaf has a head injury and a broken leg. Hallam is suffering real traumas. Sandra says he is cracking up and hasn't kept any appointments with the Psychiatric councillor. unlike Bayleaf, he was conscious while buried. Hallam insists he is fit for work, but Nick refuses to let him back until he has had councilling. Nick leaves him sobbing in Sandra's arms.

Colin has once more chickened out, much to Zoe's dismay, while everyone teases him at the station. Nick tells Kevin that he has been accepted for a course in survival training. Then Blue Watch is called to free a man whose Houdini act has gone wrong. Kevin and Marion have a row about the course he wants to attend, leaving her behind. Bayleaf and Claire hire a private investigator to find Melanie in Spain. Jamie is in hospital to have a lung and heart transplantation and Hallam and Sandra come to visit Recall and Laura. Ian talks Kate into keeping the baby instead of having an abortion. Blue Watch starts training for a charity basketball match. Colin accidentally knocks Hallam out, who continues in a filthy mood for the rest of the day. Nick hears about Bayleaf's problem to raise the cash for the private eye and gives him a cheque from the brigade. An elderly worker on the Thames Barrier has suffered an heart attack. Firemen and paramedics have a hard time to get him out of the bowels of the huge barrier and lift him up. Meanwhile Kelly has contractions and is taken to hospital. On returning to the station from the barrier, Maggie tells George that she has called and he rushes off at once. At the hospital, Kelly finally rebels against her dominating mother and is re-united with George. The whole watch comes to congratulate them after the shift. Colin finally moves in with Zoe.