The streets of Whitechapel are awash with blood. A murderer stalks the night, picking off vulnerable women and leaving them brutally butchered. The locals live in fear and the police remain clueless, with no motive, no evidence and no hope of catching this barbaric killer. A fast-tracked inspector, a hardened detective sergeant, and an expert in historical homicides investigate modern crimes with connections to the past in the Whitechapel district of London.