Stafanie Martini, Sam Reid, Blake Harrison. In this prequel to Prime Suspect, DCI Jane Tennison is just starting out in '70s London. Disrespected and underestimate, Tennison commits herself to a murder case she's woefully under qualified for-and comes out on top! 6 episodes on 1 Blu-ray Disc. Directed by David Caffrey. 2017/color/6 hrs/TV-14/widescreen.