Line of Duty

When DCI Roz Huntley captures a serial killer, the chief forensic investigator alerts AC-12 to a possible miscarriage of justice.

AC-12 uncover holes in the case against Michael Farmer.

AC-12 interrogate Roz's husband Nick, but the discovery of new forensic anomalies puts the spotlight back on Roz.

DCI Roz Huntley struggles to allay her husband's suspicions while AC-12 finds a new angle to pursue in the case against her.

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