All six parts of the crime drama based on true events in which a detective faces scrutiny for his handling of the murder investigation of a missing woman. As Superintendent Steve Fulcher (Martin Freeman) works tirelessly to locate Sian O'Callaghan (Florence Howard), his investigation reaches its peak when he encounters Christopher Halliwell (Joe Absolom), a taxi driver who has become the main suspect for Sian's disappearance. In order to locate Sian's whereabouts, Detective Fulcher will stop at nothing to get the information he needs, but ends up deviating from strict police codes and ultimately the law.
Writer: Jeff Pope
Executive Producer: Johnny Capps
Executive Producer: Julian Murphy
Executive Producer: Jeff Pope
Executive Producer: Paul Andrew Williams
Actor: Martin Freeman
Actor: Florence Howard
Actor: Joe Absolom
Actor: Imelda Staunton
Actor: Siobhan Finneran
Actor: Ian Puleston-Davies
Actor: Charlie Cooper
Actor: Stephanie Hyam