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Line of Duty — Series 4

The 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.

Episodes

  • E01 Episode 1

    ★ 8.1

    Mar 26, 2017 · 58m

    DCI Roz Huntley is under intense pressure from her superiors to apprehend a serial murderer after months of fruitless investigation.

  • E02 Episode 2

    ★ 8.1

    Apr 2, 2017 · 1h

    AC-12 crank up their investigation into Operation Trapdoor. Kate makes progress in her undercover role.

  • E03 Episode 3

    ★ 8.4

    Apr 9, 2017 · 1h

    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.

  • E04 Episode 4

    ★ 8.4

    Apr 16, 2017 · 59m

    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.

  • E05 Episode 5

    ★ 8.2

    Apr 23, 2017 · 59m

    DCI Roz Huntley struggles to allay her husband's suspicions. AC-12 find a new angle to pursue their case against her.

  • E06 Episode 6

    ★ 8.8

    Apr 30, 2017 · 58m

    While Nick Huntley faces lengthy questioning, AC-12 remain convinced of Roz's involvement.

Other Seasons

Line of Duty — Season 4 | 123Movies