Line of Duty DVD Series 4 British Crime Series PAL 4 2-Disc Set VGC

After months of fruitless investigation, DCI Roz Huntley (Thandie Newton, ) is under intense from her superiors to a serial killer for the murder of two women. When a third victim is , Roz makes a and the suspect - but the case is far from open-shut. With doubts around the investigation , Chief Forensic Investigator Tim Ifield (Jason Watkins, WIA) alerts AC-12 to .

AC-12's Supt Hastings (Adrian Dunbar, Ashes to Ashes) places DS Kate Fleming (Vicky McClure, The Secret Agent) inside Roz's team to discover the truth. With DS Steve Arnott (Martin , Sweet Sixteen) piling on from the outside, Roz is forced to act . But as suspicions mount and the deepens, AC-12 soon find themselves under threat.