From the writer and creator of Bodyguard, this thrilling British police drama has earned universal praise for its "nail-biting action, complex characters, and intricate plotting" (TV Guide). At internal affairs unit AC-12, Superintendent Ted Hastings (Adrian Dunbar, Blood) leads his team of DS Steve Arnott (Martin Compston, The Great Train Robbery) and DC Kate Fleming (Vicky McClure, Broadchurch) in investigating suspected cases of police corruption—and in the process, they begin to uncover a conspiracy that reaches to the heights of the force. 30 ½ hrs, 11 DVDs. Mature content.