Line of Duty: Season 4

2017 · 6 episodes · ★ 8.4

Series 4

What Season 4 of Line of Duty

Season four kicks off when DCI Roz Huntley, under pressure from her superiors, charges a young man with a series of murders after months of inconclusive investigation. Forensic coordinator Tim Ifield is not convinced of his guilt and turns to AC-12. Steve Arnott and Kate Fleming, under the orders of Ted Hastings, must determine whether there has been a miscarriage of justice. Meanwhile, the focus shifts to Detective Inspector Tony Gates, charismatic and a model officer in the eyes of his colleagues, whose reputation is as spotless as it is suspicious. Arnott starts investigating him, and every step tests the officers of AC-12 themselves.

6episodes

Mar 26, 2017released

Apr 30, 2017Latest episode

5.9 hrtotal runtime

Season 4 Episodes

4x01 Episode 1
Mar 26, 2017 · 58 min · ★ 8.1
DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.
Directing: Jed Mercurio · Writing: Jed Mercurio · Starring: Scott Reid, Harriet Cains, India Ria Amarteifio, Rhodri Lewis
4x02 Episode 2
Apr 2, 2017 · 60 min · ★ 8.1
AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.
Directing: Jed Mercurio · Writing: Jed Mercurio · Starring: Scott Reid, India Ria Amarteifio, Henry Miller, Andy Kellegher
4x03 Episode 3
Apr 9, 2017 · 60 min · ★ 8.4
As 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.
Directing: John Strickland · Writing: Jed Mercurio · Starring: Scott Reid, Henry Miller, Vineeta Rishi, Nigel Boyle
4x04 Episode 4
Apr 16, 2017 · 59 min · ★ 8.4
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.
Directing: John Strickland · Writer: Jed Mercurio · Starring: Patrick Fitzsymons, Chris Coghill, Carolyn Bracken, Syreeta Kumar
4x05 Episode 5
Apr 23, 2017 · 59 min · ★ 8.3
DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.
Directing: John Strickland · Writing: Jed Mercurio · Starring: Scott Reid, Henry Miller, Vineeta Rishi, Nigel Boyle
4x06 Episode 6 Season Finale
Apr 30, 2017 · 58 min · ★ 8.8
While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.
Directing: John Strickland · Writing: Jed Mercurio · Starring: Scott Reid, India Ria Amarteifio, Tony Pitts, Aiysha Hart