Line of Duty

Series 1

5 episodes 7 seasons

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.

Release Date

Premiered

Line of Duty Season 1 released on June 25, 2012.

Your Progress

Track your watching progress by signing in

Sign In to Track Progress

Episodes

Watched?

S01E01 Aired June 26, 2012

Episode 1

When Steve Arnott is transferred to a police anti-corruption unit, he finds his target is the city's top detective, Tony Gates. Can Gates really be as good as he appears? Arnott must engage in a cat-and-mouse struggle to uncover Gates' secret.

S01E02 Aired July 03, 2012

Episode 2

Having been duped into covering up Jackie's crime, Gates is desperate to sever ties with her. But, as Arnott and Fleming close in on his secret, Gates is plunged into an even more dangerous situation than he first thought.

S01E03 Aired July 10, 2012

Episode 3

Arnott is convinced Gates played a part in Jackie's disappearance. With Fleming's help, the anti-corruption team tries to trap Gates into revealing his involvement in covering up Jackie's crimes.

S01E04 Aired July 17, 2012

Episode 4

Desperate for proof of Gates's corruption, Fleming pushes her relationship with him to the limit. But her behaviour causes Morton to question if she might not be such a loyal colleague after all.

S01E05 Aired July 24, 2012

Episode 5

With Gates on the run, the anti-corruption team come under pressure to close the case once and for all. Arnott is forced to make some tough decisions about where his loyalties lie. Fleming and Hastings go all out to catch Gates, leading to a shattering conclusion.