The Investigator: A British Crime Story S02E01 - Episode 1

Teenager Louise Kay has been missing since June 1988 in a case that has baffled police and left her family desperate for answers.

Williams-Thomas's investigation sends him on the trail of the prime suspect in her murder, convicted killer Peter Tobin, who was living nearby at the time. As he delves deeper into the case he discovers a series of other missing women and unsolved murder cases who could also be the undetected victims of a serial killer.