Law & Order: London: Dependent

SINOPSIS

Following the brutal murder of a gay man, Sam and Ronnie embark on a desperate mission to track down the victim's adoptive son, who has gone missing. The prime suspect soon emerges as the child's biological father - an alleged violent homophobe unable to stomach the idea of the youngster being brought up in a same-sex household - but was he acting alone? Guest starring Glynis Barber, with Bradley Walsh and Paul Nicholls.