S1 E1 Episode 1Jun 26, 2012 · 58 minWhen 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…Episode details →

S1 E2 Episode 2Jul 3, 2012 · 57 minHaving been duped into covering up Jackie's crime, Gates is desperate to sever ties with her. But, as Arnott and Fleming close in on…Episode details →

S1 E3 Episode 3Jul 10, 2012 · 58 minArnott 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…Episode details →

S1 E4 Episode 4Jul 17, 2012 · 60 minDesperate for proof of Gates's corruption, Fleming pushes her relationship with him to the limit. But her behaviour causes Morton to question if she…Episode details →

S1 E5 Episode 5Jul 24, 2012 · 58 minWith Gates on the run, the anti-corruption team come under pressure to close the case once and for all. Arnott is forced to make…Episode details →

S2 E1 Episode 1Feb 12, 2014 · 60 minA brutal ambush on a police convoy leaves three officers dead and a protected witness fighting for his life. AC-12 turn their spotlight on…Episode details →

S2 E2 Episode 2Feb 19, 2014 · 60 minFollowing the tragedy at the hospital, AC12's Kate Fleming is planted undercover in Lindsay Denton's Missing Persons Unit. But Lindsay in turn gathers compromising…Episode details →

S2 E3 Episode 3Feb 26, 2014 · 58 minLindsay is denied bail and finds herself targeted in prison. Growing increasingly desperate, she tells Kate about a relationship with an executive police officer…Episode details →

S2 E4 Episode 4Mar 5, 2014 · 60 minFollowing the violent attack she suffered in prison, Lindsay is granted special dispensation to visit her dying mother. Meanwhile, deputy chief constable Dryden shrugs…Episode details →

S2 E5 Episode 5Mar 12, 2014 · 60 minLindsay fights for her life as troubling details emerge of a vicious conspiracy involving corrupt police officers. With growing evidence of links between DCC…Episode details →

S2 E6 Episode 6Mar 19, 2014 · 59 minAC12's investigation finally exposes a vicious criminal gang run from within the police. But while Steve now appears convinced of Lindsay's innocence, Kate remains…Episode details →

S3 E1 Episode 1Mar 24, 2016 · 60 minSergeant Danny Waldron and his armed response team shoot dead a hardened criminal.Episode details →

S3 E2 Episode 2Mar 31, 2016 · 60 minAfter the shooting at the drugs house, DC Fleming increases the pressure on Danny Waldron.Episode details →

S3 E3 Episode 3Apr 7, 2016 · 60 minDS Steve Arnott believes there is a dark secret in Danny Waldron's past.Episode details →

S3 E4 Episode 4Apr 14, 2016 · 60 minFresh testimony launches AC-12 back on the trail of a corrupt officer.Episode details →

S3 E5 Episode 5Apr 21, 2016 · 59 minLoyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues.Episode details →

S3 E6 Episode 6Apr 28, 2016 · 88 minDS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence.Episode details →

S4 E1 Episode 1Mar 26, 2017 · 58 minDCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.Episode details →

S4 E2 Episode 2Apr 2, 2017 · 60 minAC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.Episode details →

S4 E3 Episode 3Apr 9, 2017 · 60 minAs AC-12 wrestle with the new forensic evidence casting doubt over Tim Ifield, Kate is approached by another woman claiming to have been assaulted…Episode details →

S4 E4 Episode 4Apr 16, 2017 · 59 minRoz's husband Nick is brought in for questioning by AC-12. But while Nick denies any involvement in Steve's attack, his suspicions about Roz mount.Episode details →

S4 E5 Episode 5Apr 23, 2017 · 59 minDCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.Episode details →

S4 E6 Episode 6Apr 30, 2017 · 58 minWhile Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.Episode details →

S5 E1 Episode 1Mar 31, 2019 · 58 minFollowing the deadly hijack of a police convoy, AC-12 target a ruthless organised crime group known to have links with corrupt officers.Episode details →

S5 E2 Episode 2Apr 7, 2019 · 58 minKate and Steve attempt to track down a lead. A fresh police leak enables another audacious raid, while Steve’s attempts to gather information put…Episode details →

S5 E3 Episode 3Apr 14, 2019 · 58 minCorbett's most daring plan yet requires McQueen to exploit links with corrupt police officers.Episode details →

S5 E4 Episode 4Apr 21, 2019 · 58 minTensions rise in the OCG following the events at Eastfield. With troubling questions hanging over the identity of ‘H', suspicions mount at AC-12.Episode details →

S5 E5 Episode 5Apr 28, 2019 · 58 minAs the hunt for 'H' intensifies, Steve and Kate wonder if Hastings is guarding a dark secret.Episode details →

S5 E6 Episode 6May 5, 2019 · 84 minIn a nail-biting 90-minute finale, Hastings's secrets are laid bare. Will 'H' be revealed at last?Episode details →

S6 E1 Episode 1Mar 21, 2021 · 57 minDCI Jo Davidson receives new information about the whereabouts of a suspect in the unsolved murder of investigative journalist Gail Vella. En route to…Episode details →

S6 E2 Episode 2Mar 28, 2021 · 58 minHaving opened an official inquiry into DCI Jo Davidson and Operation Lighthouse, AC-12 begin to suspect a cover up. Steve and Chloe dig into…Episode details →

S6 E3 Episode 3Apr 4, 2021 · 58 minOn the strength of evidence from a new witness, DCI Jo Davidson brings Terry Boyle back in for questioning about Gail Vella's murder. Kate…Episode details →

S6 E4 Episode 4Apr 11, 2021 · 58 minDCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation, but an attempt to interview a key…Episode details →

S6 E5 Episode 5Apr 18, 2021 · 58 minAC-12 link Gail Vella’s murder with a historic case of police corruption, and Kate hatches a plan to tell once and for all if…Episode details →

S6 E6 Episode 6Apr 25, 2021 · 59 minAs AC-12 struggle to deal with the repercussions of tragic events, Hastings makes one final bid to uncover institutionalised corruption before his time runs…Episode details →

S6 E7 Episode 7May 2, 2021 · 58 minWith time running out, AC-12 attempt to unmask 'H', the Fourth Man (or Woman) commanding the network of corrupt officers behind the murder of…Episode details →

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