Line of Duty — Series 4
Mar 26, 2017The fourth series sees AC-12 facing their most devious opponent yet! Under pressure from her superiors, DCI Roz Huntley charges a young man with a series of murders after months of fruitless investigation, but is he guilty? The Chief Forensic Investigator has doubts and turns to AC-12.
1. Episode 1
Mar 26, 2017DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.
58m
2. Episode 2
Apr 02, 2017AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.
1h
3. Episode 3
Apr 09, 2017As AC-12 wrestle with the new forensic evidence casting doubt over Tim Ifield, Kate is approached by another woman claiming to have been assaulted by Michael Farmer.
1h
4. Episode 4
Apr 16, 2017Roz'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.
59m
5. Episode 5
Apr 23, 2017DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.
59m
6. Episode 6
Apr 30, 2017While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.
58m