The Conspiracy to Murder

S1 : E1 | TV-PG | 69 min | Aired: 09.29.14

Detectives interview a suspect possibly involved in a murder conspiracy.

A Short, Sharp Shock

S1 : E2 | TV-PG | 50 min | Aired: 01.13.15

Two different arrests have one thing in common: nobody has spent a night in the cells.

Human Traffic

S1 : E3 | TV-PG | 50 min | Aired: 01.20.15

The police arrest a man and a woman on suspicion of human trafficking.

The Morning After

S1 : E4 | TV-PG | 50 min | Aired: 10.27.14

It's Saturday night and local police are dealing with drunken disputes.

The Confession of a Paedophile

S1 : E5 | TV-PG | 50 min | Aired: 10.13.14

Four detectives work full time on child abuse cases in the Safeguarding Investigation Unit.

The Drug Drop

S1 : E6 | TV-PG | 50 min | Aired: 10.20.14

A young man accidentally drops a large quantity of cocaine outside a petrol station.

Honour Thy Father

S1 : E7 | TV-PG | 50 min | Aired: 11.10.14

A father is arrested on suspicion of assaulting his daughter with an iron.

Punchdrunk Love

S1 : E8 | TV-PG | 50 min | Aired: 01.27.15

Alcohol and relationship tensions combine to make dangerous cocktails.

The Crime of the Century

S1 : E9 | TV-PG | 50 min | Aired: 11.17.14

Three sex workers are arrested during a raid on a local brothel.

Frequent Flyers

S1 : E10 | TV-PG | 49 min | Aired: 02.10.15

Stories of prolific offenders, those defending them and the officers investigating them.

A Crime of Passion

S2 : E1 | TV-PG | 50 min | Aired: 01.06.15

This episode features a shocking case of attempted murder.

Age Concern

S2 : E2 | TV-PG | 50 min | Aired: 02.03.15

Local police investigate offences against the elderly.

Love Hurts

S2 : E3 | TV-PG | 50 min | Aired: 10.06.14

PCs investigate two strongly contrasting stories about harassment and domestic abuse.

Bad Blood

S2 : E4 | TV-PG | 49 min | Aired: 07.27.15

A small town near Luton has been plagued with an outbreak of teen criminality.

Guilty Little Secrets

S2 : E5 | TV-PG | 50 min | Aired: 08.03.15

Police investigate two cases against people possessing indecent images of children.

Partners in Crime

S2 : E6 | TV-PG | 49 min | Aired: 08.10.15

A string of knifepoint robberies have led the Robbery Squad to two suspects.

Mother's Pride

S2 : E7 | TV-PG | 50 min | Aired: 08.17.15

A young man is released from police custody after giving his mother as an alibi.

One for the Road

S2 : E9 | TV-PG | 49 min | Aired: 07.07.15

A trio of men, all of whom have turbulent relationships with alcohol, end up in custody.

The Golden Bracelet

S2 : E10 | TV-PG | 49 min | Aired: 07.03.17

A care worker is accused of stealing a golden bracelet from the elderly woman she is caring for.

Human Cargo

S3 : E1 | TV-PG | 50 min | Aired: 04.20.16

Police discover a large refrigeration lorry stopped at Toddington Services North is full of migrants.

To Catch a Paedophile

S3 : E2 | TV-PG | 49 min | Aired: 04.27.16

Does the involvement of modern day vigilantes really help police investigations into paedophiles?

Love Thy Neighbour

S3 : E3 | TV-PG | 50 min | Aired: 05.05.16

Tommy Robinson, the founder of English Defence League, is held in Luton Police Station.

One Punch

S3 : E4 | TV-PG | 50 min | Aired: 05.12.16

The Major Crime Unit looks into the case of a man who died from a single punch.

The Black Balaclava

S3 : E5 | TV-PG | 50 min | Aired: 05.19.16

Luton faces a rash of armed robberies that all have one thing in common.

Home Truths

S3 : E6 | TV-PG | 50 min | Aired: 05.26.16

When does a row at home become a case of domestic violence?

The Lethal Weapon

S3 : E7 | TV-PG | 48 min | Aired: 06.01.16

A man is on the run from Operation Bosun, the specialist unit that tackles gun crime.

In Plain Sight

S3 : E8 | TV-PG | 50 min | Aired: 06.08.16

Police search through thousands of hours of CCTV to try to identify a sexual offender.

A Complaint of Rape

S3 : E9 | TV-PG | 50 min | Aired: 06.15.16

Police begin a search at the scene of a complaint of rape to find forensic evidence.

A Moment of Madness

S3 : E10 | TV-PG | 50 min | Aired: 06.05.17

A blood-soaked man walks out of a hotel lift shouting that he has killed someone.

Their Time Will Come

S3 : E11 | TV-PG | 49 min | Aired: 06.12.17

A 76-year-old man is under arrest following allegations of historic child sex abuse.

Invisible Chains

S3 : E12 | TV-PG | 50 min | Aired: 06.19.17

A man claims that his life is in danger after escaping from a slave-owning gang.

Code of Silence

S3 : E13 | TV-PG | 50 min | Aired: 06.26.17

A man has been attacked and left unconscious on the floor of a crowded pub.

Shallow Grave

S3 : E14 | TV-PG | 49 min | Aired: 03.12.18

Police in Luton undertake a painstaking fingertip search in a suspected murder enquiry.

The Detective and the Surgeon

S3 : E15 | TV-PG | 49 min | Aired: 04.08.19

Local police investigate a report of burglary of antiques from a country estate.

Sex and Corruption

S4 : E1 | TV-PG | 50 min | Aired: 02.19.18

A major investigation takes place into an allegation of police corruption.

Car Attack

S4 : E2 | TV-PG | 50 min | Aired: 02.26.18

Police investigate after a man drives a car into a group of revellers.

Left for Dead

S4 : E3 | TV-PG | 50 min | Aired: 03.05.18

Detectives are called in to investigate after a man is found dead in a park in Peterborough.

Frequent Flyers II

S4 : E4 | TV-PG | 50 min | Aired: 03.19.18

Police search for a couple who they believe have preyed on a vulnerable young woman.

Too Close for Comfort

S4 : E5 | TV-PG | 49 min | Aired: 03.26.18

A woman reports to the police that a former friend has begun to stalk her.

Body in the Grass

S4 : E6 | TV-PG | 71 min | Aired: 05.21.18

After a 45-year-old mother is found dead in a field, police must determine whether her partner is involved.

The Kane Line

S4 : E7 | TV-PG | 49 min | Aired: 05.28.18

Police mount a covert surveillance operation against organized drug-dealing gangs.

A Knife Through the Heart

S4 : E8 | TV-PG | 49 min | Aired: 06.04.18

A man lies dying in the street from a stab wound to the heart.

A Second Chance

S4 : E9 | TV-PG | 49 min | Aired: 06.11.18

Police are called to a block of flats, where a woman has been attacked and stabbed in the neck with scissors.

Fifty Shades of Abuse

S4 : E10 | TV-PG | 49 min | Aired: 06.18.18

A 19-year-old woman in a violent, controlling relationship goes missing after reporting a fractured skull.

What Lies Beneath

S4 : E11 | TV-PG | 49 min | Aired: 06.25.18

A 20-year-old gang member phones the police to report a body buried in a garden.

Lost in Translation

S4 : E12 | TV-PG | 49 min | Aired: 07.02.18

Detectives investigate whether a man has brought a young woman into Britain unlawfully.

Living Amongst Us

S4 : E13 | TV-PG | 49 min | Aired: 07.09.18

After an old man is severely beaten, he is discovered to have been chatting with a 13-year-old girl online.

Predators

S4 : E14 | TV-PG | 76 min | Aired: 03.18.19

Police investigate a rape at knifepoint after the DNA collected does not match anyone in the database.

Family Secrets

S4 : E15 | TV-PG | 49 min | Aired: 03.18.19

The Internet Child Abuse Investigation Team investigate a man possessing 100+ indecent images of children.

Knifed

S4 : E16 | TV-PG | 49 min | Aired: 03.25.19

Detectives race to the scene of a stabbing that took place in broad daylight.

Smuggled

S4 : E17 | TV-PG | 50 min | Aired: 04.01.19

Detectives attempt to catch a suspected drug trafficker.

Sudden Death: Think Murder

S4 : E18 | TV-PG | 50 min | Aired: 04.15.19

Detectives investigate the sudden death of a 48-year-old woman in Cambridgeshire.

Murder in the Woods: Part 1

S4 : E19 | TV-PG | 49 min | Aired: 01.06.20

See behind the scenes of an investigation into the brutal, pre-meditated murder of a young man. Part 1 of 2.

Murder in the Woods: Part 2

S4 : E20 | TV-PG | 48 min | Aired: 01.07.20

See behind the scenes of an investigation into the brutal, pre-meditated murder of a young man. Part 2 of 2.

The Home County Cartel: Part 1

S4 : E21 | TV-PG | 49 min | Aired: 11.08.20

A covert police unit track a smuggling operation, seeking its ringleader. Part 1 of 2.

The Home County Cartel: Part 2

S4 : E22 | TV-PG | 71 min | Aired: 11.09.20

A covert police unit track a smuggling operation, seeking its ringleader. Part 2 of 2.

Black Widow - Part One

S4 : E23 | TV-PG | 49 min | Aired: 01.04.21

Police in Cambridgeshire hear a recording of a woman plotting to have her ex-husband killed. Part 1 of 2.

Black Widow - Part Two

S4 : E24 | TV-PG | 50 min | Aired: 01.05.21

Police in Cambridgeshire hear a recording of a woman plotting to have her ex-husband killed. Part 2 of 2.