Line of Duty
"If you think catching criminals is tough, try catching police officers."
PeacockA drama about the investigations of AC-12, a controversial police anticorruption unit.
Series 1
DS Steve Arnott is transferred to the police anti-corruption unit after the death of a man in a mistaken shooting during a counter-terrorist operation by another cop.
Series 2
An ambush of a police convoy results in three police officers dead and a protected witness seriously injured. The sole surviving police officer is Detective Inspector Lindsay Denton. Deputy Chief Constable Mike Dryden takes personal charge, assigning AC-12 to the case. Initially AC-12’s most valuable witness, the suspicion soon arises that Denton could be their prime suspect. In the pursuit of corruption, how far will they go to uncover the truth?
Series 3
After a criminal is shot dead during a police raid, the AC-12 team begins examining the conduct of Sergeant Danny Waldron, leader of an elite unit. But Waldron’s loyal team obstructs the investigation, and the truth about the shooting proves more complicated than Arnott and Fleming could ever have imagined.
Series 4
The fourth series sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator has doubts and turns to AC-12.
Series 5
Series 5 follows the actions of Superintendent Ted Hastings, D.I. Kate Fleming and D.S. Steve Arnott as they investigate an Organised Crime Group with links to missing undercover officer D.S. John Corbett.
Series 6
Series 6 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.
Season 7
Cast (184)
Directors
Writers
Stream
Amazon Prime Video
fuboTVPeacock Premium
Britbox Apple TV Channel 
Acorn TV
BritBox
AcornTV Amazon Channel
BritBox Amazon Channel
Spectrum On Demand
Acorn TV Apple TV
Amazon Prime Video with Ads
Peacock Premium PlusRent
Amazon VideoBuy
Amazon Video
Apple TV Store
Google Play Movies
Fandango At HomeFree with Ads
The CW
Hoopla
Plex
Plex Channel
Fawesome
The Roku Channel
Pluto TVPlex
Amazon Prime Video Free with Ads
Tubi TVOriginal Language
en
Spoken Languages
English
Production Countries
GB
Production Companies
World Productions, BBC Drama Productions