Line of Duty: Series 6

The hit police corruption drama from the makers of Bodyguard returns and Series Six of Line of Duty sees AC-12 facing their most enigmatic adversary so far: Detective Chief Inspector Joanne Davidson, the senior investigating officer of a high-profile unsolved murder.Kelly Macdonald stars as DCI Davidson, whose unconventional conduct raises AC-12's suspicions and they begin to challenge the facts of the case and question whether she is doing everything in her power to find the perpetrator. The team conducts an urgent investigation, but upheavals within AC-12 itself threaten to tear their work apart. Adrian Dunbar, Vicky McClure and Martin Compston return as Superintendent Ted Hastings, Detective Inspector Kate Fleming and Detective Sergeant Steve Arnott.