DS Steve Arnott believes there is a dark secret in Danny Waldron's past. But while DI Cottan is commended for cracking the Waldron case, the spotlight falls on Arnott's questionable conduct in a previous enquiry.
Source: BBC 2
Series 1: 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 ...
04-09-2024
BBC 2
Series 6: Episode 7
With time running out, AC-12 attempt to unmask 'H', the Fourth Man (or Woman) commanding the network of corrupt officers behind the murder of Gail Vella. But sinister and powerf ...
02-05-2021
BBC 2
Series 6: Episode 6
As AC-12 struggle to deal with the repercussions of tragic events, Hastings makes one final bid to uncover institutionalised corruption before his time runs out.
25-04-2021
BBC 2
Series 6: 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 all if Jo is bent. They are closer than ever to crac ...
18-04-2021
BBC 2
Series 6: Episode 4
DCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation, but an attempt to interview a key witness goes horribly wrong.
11-04-2021
BBC 2
Series 6: Episode 3
On the strength of evidence from a new witness, DCI Jo Davidson brings Terry Boyle back in for questioning about Gail Vella's murder. Kate is torn between loyalty to Jo and want ...
04-04-2021
BBC 2
Series 6: Episode 2
Having opened an official inquiry into DCI Jo Davidson and Operation Lighthouse, AC-12 begin to suspect a cover up. Steve and Chloe dig into\nGail Vella’s controversial re ...
28-03-2021
BBC 2
Series 6: Episode 1
DCI Jo Davidson receives new information about the whereabouts of a suspect in the unsolved murder of investigative journalist Gail Vella. En route to raid the property, she spo ...
21-03-2021
BBC 2
Series 2: Episode 6
AC12'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 determined to ...
13-03-2021
BBC 2
Series 2: Episode 5
Lindsay fights for her life as troubling details emerge of a vicious conspiracy involving corrupt police officers. With growing evidence of links between DCC Dryden and the ambu ...
06-03-2021
BBC 2
Series 6: Episode 6
As AC-12 struggle to deal with the repercussions of tragic events, Hastings makes one final bid to uncover institutionalised corruption before his time runs out.
25-04-2021
BBC 2
Series 1: 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 co ...
11-08-2020
BBC 2
Series 4: Episode 6
Police drama series. While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.
07-05-2019
BBC 2
Series 2: Episode 2
Following 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 evidence agai ...
13-02-2021
BBC 2
Series 6: Episode 4
DCI Jo Davidson faces increasing pressure from all sides as AC-12 make major breakthroughs in the investigation, but an attempt to interview a key witness goes horribly wrong.
11-04-2021
BBC 2
Series 6: Episode 1
DCI Jo Davidson receives new information about the whereabouts of a suspect in the unsolved murder of investigative journalist Gail Vella. En route to raid the property, she spo ...
21-03-2021
BBC 2
Series 2: Episode 1
A brutal ambush on a police convoy leaves three officers dead and a protected witness fighting for his life. AC-12 turn their spotlight on Lindsay Denton, the officer who led th ...
06-02-2021
BBC 2
Series 1: 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 u ...
10-08-2020
BBC 2
Series 1: 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 l ...
17-08-2020
BBC 2
Series 3: Episode 4
Fresh testimony launches AC-12 back on the trail of the Caddy, a corrupt officer with links to organised crime. But new disturbing evidence suggests the Caddy may reside within ...
05-05-2019
BBC 2