This extraordinary episode opens with the dawn arrest of a man on suspicion of conspiracy to murder. The film documents the work of the lead detectives as they investigate and interview the suspect about his involvement in a plot to shoot a man. While driving to work, the victim was hit from behind by another vehicle. When he stepped out to inspect the damage he was shot in his leg by a close range sawn-off shotgun, sustaining life-threatening injuries. The police believe the case arises from a potential love triangle that has spiralled out of control. Detectives have 24 hours to gather enough evidence to charge or release him.

News spreads across the county about a suspected paedophile trying to abduct young children on their way home from school. Local press coverage has led to hundreds of calls from panicked parents to the police. With the culprit at large, cameras follow the Major Crime Unit as they lead the operation to arrest a third suspect following a nine-year-old girl's statement and an e-fit description. After two previous suspects have been released without charge, have they now got the right man? In the public protection unit, DC Annie Fowler and DC Selena Humphreys believe they have finally gathered enough evidence, including thousands of images and hundreds of videos of extreme child abuse, to ensure the suspect is remanded in prison pending a trial. Following his second arrest, he makes a frank and shocking confession. The detectives take this new information to the Crown Prosecution Service in the hope of preventing him from committing any more offences.

Drunken abuse, the theft of 98p's worth of fizzy drinks and the joyriding of a 45-seater bus are all in a day's work for acting sergeant Wil Taylor. Some can seem like a waste of police time, while others quickly become serious - such as the case of three sex workers who have been arrested during a raid on a local brothel. Are the women victims, possibly trafficked to the UK from Eastern Europe, or are they running the business and exploiting others? Last in the series

Two teenage girls are arrested after a fight broke out in a nightclub. And the police also arrest a 61-year-old man who's never spent a night in the cells before.

This episode follows cases where alcohol and relationship tensions mix in a dangerous cocktail. Investigating Officer Lisa Hutchinson says nine out of ten cases can be of domestic violence.

Several elderly people have been sexually assaulted in a graveyard. The police have a sample of an attacker's DNA from a previous crime scene, and arrest a young man. Will his DNA match?

A teenager disappears from hospital after being brought in with serious injuries that suggest she's been tied up and assaulted. Bedfordshire Police investigate.

Bedfordshire Police have to confront the issues thrown up by a surge in the number of crimes related to the sexual exploitation and grooming of children by paedophiles. A man is lured to what he believes is a meeting with a 13-year-old girl, but is caught in a sting operation by so-called 'paedophile hunters'. A few days later, the case takes a surprising twist when police are called to a roadside where a pensioner is found badly beaten and suffering a bleed on the brain.

On a quiet Sunday lunchtime in a Cambridgeshire suburb, a man lies bleeding to death on the doorstep. A major manhunt is triggered, where the strength of family blood ties is brutally exposed.

Features police investigations into one of the most disturbing and hard-to-prove crimes, baby-shaking cases, and examines parents' often-divided loyalties. Detectives probe the stories of the parents, as they piece together what really happened

Bedfordshire Police confront issues thrown up by the mass movement of people across Europe. A man travelling with a young woman on a one-way ticket from Bulgaria is stopped at Luton Airport. Officers from the National Crime Agency believe that he - and another man who has come to the arrivals gate to meet them - may be bringing the woman into the country unlawfully. The story takes a surprising twist when one of the men they have arrested claims he is her father. Cameras follow every twist and turn of the case, as detectives try to discover the truth when so much is obscured by different languages and culture.

The return of the documentary in which more than 60 cameras are used to follow the work of Bedfordshire Police, from the cells at stations to the operational heart of major investigations. A small town near Luton has been plagued with an outbreak of teen criminality, and DS Emma James and DC Cathie Layton pull a 22-hour shift to find the evidence against a young man accused of robbery and assault. He denies everything and paints himself as the victim. Will they uncover enough to charge, or will he be released?

DC Cathie Layton investigates the case of a man who is alleged to have assaulted a taxi driver and stolen his keys. But her instinct tells her that all is not what it seems...

The police release a young man who's been accused of a vicious assault when he gives his mother as an alibi. But when she fails to support his story they have to try to find him again...

When a young woman reports that she has been raped by a man she met in a bar, Bedfordshire Police bring the man in for questioning and try to unpick the two very different accounts of events.

The number of domestic abuse incidents reported to Bedfordshire Police has soared to over 200 a week in recent years. Two such incidents show the difficulties officers have investigating these cases.

Bedfordshire Police investigate a series of armed robberies that all involve two men wearing crude balaclava's fashioned from items of clothing threatening their victims at knife-point.

A distressed woman arrives at Luton Police station, where officers have to tell her that her 76-year-old husband is under arrest following allegations of historic child sex abuse.

DS Simon Hancock and DC Cathie Layton have 24 hours to interview two men who they suspect are behind a string of knife-point robberies. And neither man knows what the other's saying...

Officers search for an armed and dangerous man who is on the run from Bedfordshire Police's "Operation Bosun" - a specialist unit that tackles gun crime.

Amanda comes to Luton Police station claiming that his life's in danger and that he's just escaped from a slave owning gang. Over 200 officers launch a dawn raid on the suspects.

Police Constable Cheryldeen Liversidge and Police Constable Kat Alison investigate two strongly contrasting stories about harassment and domestic abuse. Domestic abuse takes up to 40% of police time nationally and is now a priority for Bedfordshire Police, having had a poor record in the past. A scorned wife has dumped an ex-partner's clothes in a charity shop, while another woman complains of a series of highly threatening messages from a man with a violent past. On the surface, two very different cases, but both officers turn the cases they are investigating into something of a crusade and are determined to get to the bottom of what really went on in the private relations between their suspects and the victims.

A devout Muslim has been arrested on suspicion of assaulting his daughter with an iron, after she married a man he does not approve of. Bedfordshire Police have set up a dedicated `honour-based violence' unit at Luton, but the investigation falls to DC Rachel Chandler in CID. Will she succeed in finding the evidence before time runs out?

This episode follows an investigation into suspected human trafficking. DC Tom Stean says 'Human trafficking is getting worse and worse. I think Luton is a magnet.'

Cathie Layton and Brett Jones used to work together in the police, but now Brett's a legal rep, representing one of Luton's prolific burglars, with DC Layton on the other side of the table.