Seasons & Episodes
Episode 1
When Steve Arnott is transferred to a police anti-corruption unit, he finds his target is the city's top detective, Tony
Episode 2
Having been duped into covering up Jackie's crime, Gates is desperate to sever ties with her. But, as Arnott and Fleming
Episode 3
Arnott is convinced Gates played a part in Jackie's disappearance. With Fleming's help, the anti-corruption team tries t
Episode 4
Desperate for proof of Gates's corruption, Fleming pushes her relationship with him to the limit. But her behaviour caus
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
Episode 1
A brutal ambush on a police convoy leaves three officers dead and a protected witness fighting for his life. AC-12 turn
Episode 2
Following the tragedy at the hospital, AC12's Kate Fleming is planted undercover in Lindsay Denton's Missing Persons Uni
Episode 3
Lindsay is denied bail and finds herself targeted in prison. Growing increasingly desperate, she tells Kate about a rela
Episode 4
Following the violent attack she suffered in prison, Lindsay is granted special dispensation to visit her dying mother.
Episode 5
Lindsay fights for her life as troubling details emerge of a vicious conspiracy involving corrupt police officers. With
Episode 6
AC12's investigation finally exposes a vicious criminal gang run from within the police. But while Steve now appears con
Episode 1
Sergeant Danny Waldron and his armed response team shoot dead a hardened criminal.
Episode 2
After the shooting at the drugs house, DC Fleming increases the pressure on Danny Waldron.
Episode 3
DS Steve Arnott believes there is a dark secret in Danny Waldron's past.
Episode 4
Fresh testimony launches AC-12 back on the trail of a corrupt officer.
Episode 5
Loyalties are divided when DS Steve Arnott comes under scrutiny from his colleagues.
Episode 6
DS Steve Arnott is arrested on suspicion of murder but continues to protest his innocence.
Episode 1
DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless in
Episode 2
AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.
Episode 3
As AC-12 wrestle with the new forensic evidence casting doubt over Tim Ifield, Kate is approached by another woman claim
Episode 4
Roz's husband Nick is brought in for questioning by AC-12. But while Nick denies any involvement in Steve's attack, his
Episode 5
DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.
Episode 6
While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.
Episode 1
Following the deadly hijack of a police convoy, AC-12 target a ruthless organised crime group known to have links with c
Episode 2
Kate and Steve attempt to track down a lead. A fresh police leak enables another audacious raid, while Steve’s attempt
Episode 3
Corbett's most daring plan yet requires McQueen to exploit links with corrupt police officers.
Episode 4
Tensions rise in the OCG following the events at Eastfield. With troubling questions hanging over the identity of ‘H',
Episode 5
As the hunt for 'H' intensifies, Steve and Kate wonder if Hastings is guarding a dark secret.
Episode 6
In a nail-biting 90-minute finale, Hastings's secrets are laid bare. Will 'H' be revealed at last?
Episode 1
DCI Jo Davidson receives new information about the whereabouts of a suspect in the unsolved murder of investigative jour
Episode 2
Having opened an official inquiry into DCI Jo Davidson and Operation Lighthouse, AC-12 begin to suspect a cover up. Stev
Episode 3
On the strength of evidence from a new witness, DCI Jo Davidson brings Terry Boyle back in for questioning about Gail Ve
Episode 4
DCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation, but an
Episode 5
AC-12 link Gail Vella’s murder with a historic case of police corruption, and Kate hatches a plan to tell once and for
Episode 6
As AC-12 struggle to deal with the repercussions of tragic events, Hastings makes one final bid to uncover institutional
Episode 7
With time running out, AC-12 attempt to unmask 'H', the Fourth Man (or Woman) commanding the network of corrupt officers
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