
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 (6)

1. Murder in the Bedroom
Aired 4 March 2025 • 59 min
The discovery of a man beaten to death in his bedroom initially suggests a botched burglary, but detectives uncover a chilling truth.

2. Searching for a Serial Killer
Aired 11 March 2025 • 58 min
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.

3. Murder of a Mother
Aired 18 March 2025 • 48 min
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.

4. Knifed in the Night
Aired 25 March 2025 • 58 min
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.

5. Kidnap and Chaos
Aired 1 April 2025 • 48 min
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.

6. The Plot to Kill the Queen
Aired 8 April 2025 • 49 min
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.