In the 1970s, the brutal murders of sex workers in economically depressed areas of the UK spark little public interest – until a teen is also killed.

As the killer continues to prey upon women, police hope that the tire tracks and a victims 5-pound note may finally lead to a suspect.

Josto strikes back, Ethelrida does the right thing, Loy finds himself against the ropes and Deafy shakes the tree.