Line of Duty

20126 series
Available on
BBC One

After refusing to help cover up an unlawful and fatal shooting by members of his team, Detective Sergeant Steve Arnott is transferred to Anti-Corruption Unit 12, AC-12. Run by zealous Superintendent Ted Hastings, the department is responsible for investigating possible corruption within the Central Police force. Working alongside DS Arnott is Detective Inspector Kate Fleming, who is an undercover specialist. With the help and oversight of Hastings, Arnott and Fleming take on difficult cases, which lead from "laddering" to mishandling evidence.

Episode 1: Episode Image
Episode 1Episode 1

AC-12 investigate a botched murder inquiry. Contains some strong language.

Episode 2: Episode Image
Episode 2Episode 2

AC-12 probe DCI Davidson's inquiry and begin to suspect a cover-up. Some upsetting scenes.

Episode 3: Episode Image
Episode 3Episode 3

A new witness comes forward claiming to have crucial evidence in Gail Vella's murder. Contains some upsetting scenes.

Episode 4: Episode Image
Episode 4Episode 4

AC-12 make major breakthroughs, but an interview with a key witness goes horribly wrong. Contains some upsetting scenes.

Episode 5: Episode Image
Episode 5Episode 5

AC-12 link Gail Vella’s murder with a historic case of police corruption. Contains some strong language.

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Episode 6Episode 6

AC-12 struggle to come to terms with tragic events. Adult themes.

Episode 7: Episode Image
Episode 7Episode 7

AC-12 close in on 'H'. Adult themes.

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