Line Of Duty Season 4 Episodes

Find out where to watch Season 4 of Line Of Duty tonight
Overview TV Listings Seasons & Episodes Cast

Season 4 Episode Guide

Episode 1 - Episode 1

The hit police corruption drama returns for a 4th series. When DCI Roz Huntley captures a serial killer, the chief forensic investigator alerts AC-12 to a possible miscarriage of justice.
Episode 2 - Episode 2

A dismembered body is found, and worries grow when DCI Roz Huntley fails to report for Duty. AC-12 challenge the case against Michael Farmer.
Episode 3 - Episode 3

AC-12 uncover holes in the case against Michael Farmer. Could the real killer still be at large?
Episode 4 - Episode 4

AC12 interrogate Roz’s husband, Nick, but the discovery of new forensic anomalies puts the spotlight back on Roz.
Episode 5 - Episode 5

DCI Roz Huntley struggles to allay her husband's suspicions. AC12 find a new angle to pursue their case against her.
Episode 6 - Episode 6

While Nick Huntley faces lengthy questioning over his role in Tim Ifield’s murder, AC12 remain convinced of Roz’s involvement.


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