6 Season
36 Episode
Line of Duty - Season 6 Episode 7
With time running out, AC-12 attempt to unmask 'H', the Fourth Man (or Woman) commanding the network of corrupt officers behind the murder of Gail Vella. But sinister and powerful forces appear intent on orchestrating a cover-up.
- Country : United Kingdom
- Genre : Crime, Drama, Mystery
- Director : Jed Mercurio
- Cast : Martin Compston, Vicky McClure, Adrian Dunbar, Gregory Piper, Nigel Boyle, Kelly Macdonald