Monroe leads an operation into cracking down on prostitution in the borough. Ackland and Jarvis tackle kerb crawlers, while Quinnan goes undercover as a prostitute's punter in an attempt to gather evidence on the madam of a brothel. However, Boyden suspects that Quinnan may have overstepped the mark and taken a shine to the girl when he tries to protect her from his angry line of questioning during interview.

Garfield finds a young girl who has suffered from an overdose, but upon arrival at the hospital, discovers she is the third victim of a spate of recent victims. When he finds a fourth boy dead, Haines, now with the Drugs Squad, returns to Sun Hill to help Meadows track down the uncut consignment of heroin brought in from the Far East. Stamp and Quinnan discover a link to a burglary they investigated earlier in the day.

Jarvis and Loxton attend the scene of a brawl at the local hospital, only to find the instigator beaten up and robbed. Lines investigates when both the boy and a security guard point the finger at an ex-colleague from his time in uniform. However, with help from Deakin, Lines discovers that the chivalry between the security firm is somewhat dead, and that the prime suspect may have been framed.

Meadows and Johnson investigate the murder of a man found badly beaten by the side of the road. The only items, which appear to missing, are his wallet and his car. Meadows suspects that an old time villain living in a halfway house just across the road from the murder scene may be responsible, but Johnson suspects that the man's work colleagues are not as clean cut as they make out.

Conway is forced to keep an eye on a cowboy security outfit attempting to take over the Bronte estate. Meanwhile, Quinnan and Stamp arrest a young boy for joyriding. Conway orders the boy's release, in an attempt to set a trap for the security firm. However, the boy is then beaten up and ends up in hospital. Meanwhile, Brownlow arrives to discuss a possible merger between Sun Hill and Barton Street.

Woods investigates the assault of a young woman, who is reluctant to reveal the identity of her assailant. Meanwhile, Greig and Croft investigate the burglary of an electrical store and discover the two incidents are connected. With evidence from another witness secured, Woods attempts to use the girl to set a trap to catch her boyfriend – a big-time villain – during a visit to Sun Hill.

Greig leads the manhunt when a young boy is taken by his stepfather after his mother refuses the man access. Stamp and Ackland report that they saw the boy earlier that day. When Stamp and Ackland find the boy dead, the stepfather tries to explain that it was purely an accident, with the boy haven fallen when he tried to show him the location where he and his father used to go fishing as a child.

Johnson leads an operation into a pair of muggers who snatch their victims from local shopping precincts, assault them and steal their money. When Marshall is assaulted during an undercover operation to catch them, Johnson finds herself on the receiving end of blame for the incident, giving Deakin his chance to shine by using intelligence to locate a pair of brothers whom he suspects are responsible.

Quinnan is assaulted during the arrest of a bag snatcher, but an intrusive passer-by begins to make the situation worse. Quinnan, however, is unaware that the man is none other than the new Ch. Insp of Ops at Barton Street. Cato has a kind word in the Ch. Insp's ear about his lack of professionalism, but his abrasive style of management leads to a confrontation with Brownlow.

Jarvis and Marshall attend a dispute between a man and his wife over their marital property. However, the feud soon escalates and results in criminal damage to a van and a burglary. Meanwhile, Boyden investigates when a young teenage girl disappears. The cases are soon linked when the missing girl is found to be the feuding husband's new mistress, leading to further arguments between the man and his wife.

Deakin leads an operation into a cartel of stolen booze. Meanwhile, Johnson's integrity is being questioned by the top brass, and having shown his clear leadership skills, a decision is made to oust Johnson and instate Deakin as Acting D.I. When Deakin yields a good result following information from his snout, Johnson finds that she has run out of friends at Sun Hill and accepts a transfer.

Woods and Lines investigate the assault of a solicitor, while Deakin's new role as acting D.I. brings conflict with Monroe and the rest of C.I.D. Deakin offers the prime suspect a deal to gather further information on several fraud cases which the solicitor appears to be involved with. However, again Deakin manages to prove his worth and yields yet another result, despite his initial misgivings.

Jarvis blames himself when a teenager is killed in a car crash following his pursuit. Monroe's grilling of the boy leads him to suspect that Jarvis may not be telling the whole truth. However, evidence from the traffic sergeant exonerates Jarvis and gives an entirely different account to what the boy had described during interview. Jarvis considers whether or not to write his witness statement with a little 'creative fiction'.

New arrival D.S. Don Beech proves to be more than a match for Skase as the pair investigate a petrol station robbery. Beech uses Skase's snout for information on the possible assailant who has links to a post office robbery committed two weeks previously. Beech uses a sneaky tactic of attempting to use the suspect's girlfriend catching him in the act with another woman as a way of pulling the suspect out of hiding.

Stamp and Page deal with an ex-con who delivers his own kind of justice and public order.

Cryer's exemplary record is threatened when a professional litigant brings a complaint against him for swearing.

Brian Elliot, a friend of Ch. Insp. Conway, has been robbed by a prostitute and her accomplice, but does not help the investigation when he refuses to make a formal statement or testify in case his wife finds out about his indiscretion. CID launch an undercover sting, which fails, but Elliot arrives at the station with his wife to make a statement, and it is quite clear she knows the truth.

Marshall and Stamp attend the scene of a violent assault, and Marshall gives chase to a suspect. However, when he confronts her, she is forced to use her baton, and during the struggle, breaks the arm of the suspect. However, when the victim gives her initial first statement, Marshall discovers he may be an innocent man, until he strikes again and the witness reveals the real truth behind the first incident.

Garfield and Page investigate when a Greek man is thrown through the window of an empty premises by a violent mugger. As George gives chase, he finds the mugger being beaten at the hands of a local gang, and George is forced to protect him from those seeking revenge. However, the case deepens further when George discovers the frozen body of the Greek man's wife in the freezer in his kebab shop.

Deakin and Lines investigate the assault and resulting death of a young schoolboy. They soon discover that the motive behind the attack may be none other than a case of computer crime, involving the copyright infringement of recently released and expensive video games. They use a friend of the deceased to try and identify his attacker, known only as 'Steve', who may or may not possibly be the owner of a market stall.

Woods and Croft investigate a series of vicious robberies on petrol stations. Without any leads, they struggle to make headway until Cryer and Conway reveal some information on some similar offences back in the 80s – but the prime suspect, Darren Pope, has supposedly been dead for years, having fallen in with some nasty villains in Morocco. But can the rumours be believed, and is Darren Pope still alive?

Monroe investigates after a pedestrian is critically injured in a hit-and-run accident. Just about everyone on the Bronte estate bears a grudge against the victim, so Monroe is led to believe that the incident was no accident. However, it transpires that it may have been an accident after all, the fault of a very careless young driver.

Meadows leads an operation attempting to catch a violent burglar, who attacks his elderly victims during the course of his raid. The first night on obbo nets them a small-time thief, and leads Meadows into a clash with Conway when finances threaten to close the operation. Meadows manages to save the operation and CID are drafted out for a second night in an attempt to catch the thug before he strikes again.

Cato considers his future at Sun Hill after he is turned down for a promotion to area without even being offered an interview. Meanwhile, Boyden and Quinnan deal with an assault involving a leaflet distributor and a warehouse manager, only to discover that the pair have history between them, when the former was made redundant after thirty years of service after his failure to move with the times.

Probationers Nick Slater and Debbie Keane have differing fortunes on their first day at Sun Hill. Slater is paired with Stamp to track down a disqualified driver, while Keane is paired with Marshall to investigate a domestic assault. However, Slater's lack of patience lands him on a collision course with Monroe, before he manages to save the day when he rescues a man attempting to commit suicide.