All five series of Jed Mercurio's hit police corruption series about the investigations carried out by AC-12. Stars Adrian Dunbar, Vicky McClure and Martin Compston.
View in iTunes
View in iTunes
Season 1, Episode 1
When DS Steve Arnott joins the anti-corruption unit, he learns that the target of his first investigation is the well-respected DCI Tony Gates. Though Gates’ professional conduct appears above reproach, his private life may provide his enemies the evidence they seek.
Season 1, Episode 2
After winning Gates’ trust, new team member DC Kate Fleming begins to pay close attention to his work. Scrambling to cover his tracks, Gates fears he is about to lose the two most important things in his life: his career and his kids.
Season 1, Episode 3
Witness to a murder, Gates realises he has more to cover up than his own misdeeds. Meanwhile, an increasingly confrontational Arnott closes in on Gates, prepared to take more and more risks to bring him down.
Season 1, Episode 4
With Arnott off the case, Fleming plays on her relationship with Gates in an effort to uncover the truth. In the process, she brings on herself the attentions and suspicions of Gates’ loyal lieutenant, DC Morton.
Season 1, Episode 5
Tensions erupt between Hastings, Arnott, and Fleming as they decide on the next steps in the case. Increasingly desperate and unwilling to await his fate, Gates goes on the run, ready to play one last card.
Season 2, Episode 1
A brutal ambush on a police convoy leaves three officers dead and a protected witness fighting for his life.
Season 2, Episode 2
Following the tragedy at the hospital, AC-12’s Kate Fleming is planted undercover in Lindsay Denton’s Missing Persons Unit. But Lindsay soon gathers compromising evidence against the anti-corruption team.
Season 2, Episode 3
Lindsay is denied bail and finds herself targeted in prison. When she is subject to a violent attack, she tells Kate about a relationship with an executive police officer who may have had reasons to want her framed.
Season 2, Episode 4
When Lindsay is given a special dispensation to leave prison to visit her dying mother, AC-12 realises too late how much danger she may be in.
Season 2, Episode 5
Lindsay fights for her life as details emerge about a vicious conspiracy involving corrupt police officers. With growing evidence of links between Deputy Chief Constable Dryden and the ambush, Hastings is under pressure to arrest his senior officer.
Season 2, Episode 6
AC-12’s investigation finally exposes a vicious criminal gang run from within the police department. But while Steve now appears convinced of Lindsay’s innocence, Kate remains determined to prove that she had a role in the ambush.
Season 3, Episode 1
After a criminal is shot dead during a police raid, AC-12 begins gathering evidence against Sergeant Danny Waldron, but it may be hard to get any information out of Danny’s tight-knit unit.
Season 3, Episode 2
As the evidence mounts against them, Danny’s squad members close ranks. Then DS Arnott makes a shocking discovery that could change the focus of AC-12’s inquiries.
Season 3, Episode 3
Arnott digs deeper into Danny’s past to try to make sense of his actions. Meanwhile, Kate continues her undercover investigation into Danny’s unit.
Season 3, Episode 4
Lindsay Denton sets out to clear her name, while Arnott and Hastings interrogate Bains on suspicion of murder.
Season 3, Episode 5
When Arnott’s inquiries lead him to be suspended, he must team up with an unlikely partner to open his colleagues’ eyes to the possible corruption within their own department.
Season 3, Episode 6
AC-12 interrogates Fairbanks about possible sexual abuse at Sands View, but a procedural glitch may interfere with the investigation.
Season 3, Behind the Scenes
Behind the Scenes look into Line of Duty, Series 3.
Season 4, Episode 1
When DCI Roz Huntley captures a serial killer, the Chief Forensic Officer alerts AC-12 to a possible miscarriage of justice.
Season 4, Episode 2
AC-12 challenge the case against Michael Farmer, while Roz fails to report for duty.
Season 4, Episode 3
AC-12 uncover holes in the case against Michael Farmer. Could the real killer still be at large?
Season 4, Episode 4
AC-12 interrogate Roz’s husband, Nick, but new forensic anomalies put the spotlight back on Roz.
Season 4, Episode 5
Roz struggles to alleviate her husband’s suspicions, while AC-12 discover a new angle to pursue their case against her.
Season 4, Episode 6
While Nick faces lengthy questioning over his role in Tim Ifield’s murder, AC-12 remain convinced of Roz’s involvement.
Season 5, Episode 1
When a seized drugs transport convoy is hijacked by an Organised Crime group, headed by ruthless John Corbett, AC-12 are called in to investigate - and uncover a shocking secret.
Season 5, Episode 2
DI Kate Fleming and DS Steve Arnott attempt to track down the undercover officer embedded in the Organised Crime Group, which puts Steve in danger.
Season 5, Episode 3
Corbett’s plan requires McQueen to exploit links with crooked police officers, while AC-12’s alarming discovery reveals the scale of corruption, including the figure known as ‘H’.
Season 5, Episode 4
Tensions mount between Corbett and McQueen. Elsewhere, Hastings’ erratic behaviour causes Kate and Steve to question his motives.
Season 5, Episode 5
As the hunt for ‘H’ intensifies, Kate and Steve investigate Corbett’s past and uncover some evidence which may explain Hastings’ reckless behaviour. Is he guarding a dark secret?
Season 5, Episode 6
In a nail-biting 90-minute finale, Kate and Steve find themselves torn between loyalty to Hastings and their duty to uncover the truth. Will the identity of ‘H’ finally be revealed?
Season 5, Behind the Scenes
Cast and crew reveal what it was like to film the acclaimed show.