East London, 1940: Francis Hancock finds the brutally eviscerated body of a woman in a derelict house. Francis' sister, Nancy, knew the victim. Shockingly, two more murders follow. Rumors start to spread about another Jack the Ripper. When a fourth woman is murdered, Nancy admits that she knew all of the victims, and Francis sets out to find the killer, discovering a trail of resentment that goes back decades.