Detectives investigate the tragic house fire deaths of a mother and baby, uncovering lies and threats that place the husband as the main suspect.

A young woman’s testimony sparks a transnational investigation, leading detectives to dismantle a sex trafficking network across Northern Ireland, Sweden and Romania.

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.

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?

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.

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.

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.