About this season
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.
Episodes (7)
1. Murdered to Keep a Secret
Aired 3 April 2025 • 48 min
Detectives investigate the tragic house fire deaths of a mother and baby, uncovering lies and threats that place the husband as the main suspect.
2. Breaking the Sex Trafficking Ring
Aired 10 April 2025 • 58 min
A young woman’s testimony sparks a transnational investigation, leading detectives to dismantle a sex trafficking network across Northern Ireland, Sweden and Romania.
3. The Heroin Kingpin
Aired 17 April 2025 • 49 min
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.
4. Body in a Bin
Aired 24 April 2025 • 58 min
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?
5. Killed in the Park
Aired 1 May 2025 • 50 min
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.
6. The Cash Machine Bandits
Aired 6 May 2025 • 50 min
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.
7. Killed at Closing Time
Aired 13 May 2025 • 50 min
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.