Jed (Line of Duty) Mercurio’s thriller centres around Tom Brannick, a Northern Irish police detective who discovers a possible suicide note in a car, which could to linked to a case he worked on. James Nesbitt stars.

James Nesbitt stars as Northern Irish police detective Tom Brannick who's on the hunt for an assassin, after connecting a suicide note from a car pulled from the bottom of the loch with an infamous cold case he's been assigned to.