

The Crime I Can't Forget
Every detective has a case that's never left them. Clue by clue, officers remember cases that shaped their career and revealed what it takes to be a criminal - and a detective.
Seasons

E1Murder in the Bedroom
Mar 4, 2025
The discovery of a man beaten to death in his bedroom initially suggests a botched burglary, but detectives uncover a chilling truth.

E2Searching for a Serial Killer
Mar 11, 2025
In 1981, Jennifer Cardy's abduction and murder shook the small community of Ballinderry, County Antrim. Decades later, a fresh look at the case points to a chilling connection.

E3Murder of a Mother
Mar 18, 2025
A woman’s brutal murder, the bizarre TV appearance of her husband, and the taunting of detectives are only some of the twists and turns of this intriguing murder investigation.

E4Knifed in the Night
Mar 25, 2025
When a promising young boxer is murdered, police must juggle the challenges of keeping the peace process on track while racing against the clock to solve the murder.

E5Kidnap and Chaos
Apr 1, 2025
When a British supermarket executive is kidnapped from near his home by the IRA, Irish police and armed services launch a joint operation with fatal consequences.

E6The Plot to Kill the Queen
Apr 8, 2025
During Queen Elizabeth II’s historic visit to Ireland, Irish police race to foil a plot to bomb the royal party, while also battling violent protesters on the streets.
E1Murdered to Keep a Secret
Apr 3, 2025
Detectives investigate the tragic house fire deaths of a mother and baby, uncovering lies and threats that place the husband as the main suspect.
E2Breaking the Sex Trafficking Ring
Apr 10, 2025
A young woman’s testimony sparks a transnational investigation, leading detectives to dismantle a sex trafficking network across Northern Ireland, Sweden and Romania.
E3The Heroin Kingpin
Apr 17, 2025
When ambitious criminal Larry Dunne introduces heroin to Dublin in the late 70s, he devastates communities. A young detective goes undercover to dismantle the illegal operation.
E4Body in a Bin
Apr 24, 2025
When a 55-year-old father of four goes missing, detectives discover a suspicious love triangle. They suspect foul play, but can they solve a murder investigation with no body?
E5Killed in the Park
May 1, 2025
In Dublin in 1982, a brutal homophobic killing shocked the nation. Forty years later, a lead detective describes the investigation that brought the killers to justice.
E6The Cash Machine Bandits
May 6, 2025
A detective recalls the hunt by his dedicated task force for the gang behind a spate of shocking ATM heists that shook towns and villages in County Antrim.
E7Killed at Closing Time
May 13, 2025
The shocking killing of teenager Niall Dorr sets off a relentless investigation. For newly-promoted detective inspector Pat Marry, it’s his first case in the border town of Dundalk.
Storyline
Every detective has a case that's never left them. Clue by clue, officers remember cases that shaped their career and revealed what it takes to be a criminal - and a detective.
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