A fresh police leak enables another audacious raid, while Steve’s attempts to gather information put him in a dangerous situation. Show more
Corbett’s most daring plan yet requires McQueen to exploit links with corrupt police officers.
Tensions rise in the OCG following the events at Eastfield. With troubling questions hanging over the identity of ‘H’, suspicions mount at AC-12.
As the hunt for 'H' intensifies, Steve and Kate wonder if Hastings is guarding a dark secret.
In a nail-biting 90-minute finale, Hastings' secrets are laid bare. Will 'H' be revealed at last?
AC-12 investigate DCI Jo Davidson's apparent mishandling of the murder of an investigative journalist. Show more
AC-12 suspect a cover-up as an officer on DCI Davidson's team appears to have sabotaged the inquiry into Gail Vella's murder. Show more
A new witness comes forward claiming to have crucial evidence in Gail Vella's murder. Kate is torn between her loyalty to Jo and to AC-12. Show more
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.
Following the deadly hijack of a police convoy, AC-12 target a ruthless organised crime group known to have links with corrupt officers. Show more
Drama series. While Chief Inspector Heat struggles to makes sense of the plot behind the Greenwich bomb, Winnie is devastated by the news of Verloc's role in the outrage. Show more
AC-12 close in on 'H', the Fourth Man (or Woman) orchestrating the network of corrupt officers. Show more
Drama series. Michaelis's suspicions threaten to scupper Verloc's plans, Heat faces the Professor's madness, and Winnie finds herself alone with Ossipon. Show more
AC-12 link Gail Vella’s murder with a historic case of police corruption, but forces beyond their control threaten to derail the investigation. Show more
AC-12 struggle to come to terms with tragic events, redoubling their efforts to root out any remaining corrupt officers. Show more
Police drama series. Roz'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. Show more
Police drama series. DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.
Police drama series. While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.
Police drama series. DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation. Show more
Police drama series. AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role. Show more