Season 3

LINE OF DUTY returns for a thrilling third series and introduces Sergeant Danny Waldron, a successful leader of a police Armed Response Unit, whose increasingly erratic behaviour is causing him to become a threat to both his colleagues and suspects alike. When AC12 are called in to investigate, DS Steve Arnott clashes with Danny and it’s up to DC Kate Fleming to investigate undercover. The award-winning series boasts a stellar cast including Daniel Mays, Vicky McClure, Martin Compston, Adrian Dunbar, Will Mellor, Arsher Ali and Leanne Best.