The trail has gone cold, but could a new murder 12 years later provide fresh leads? Lucy Worsley's hunt for a Victorian serial killer ends with a convincing prime suspect.

Lucy Worsley is hunting a Victorian serial killer who has scattered the remains of three women across London. Could the discovery of a fourth woman's torso in Whitechapel, in the heart of Jack the Ripper's territory, crack open the case and finally reveal the identity of the killer?

Lucy Worsley takes on the historical cold case of a forgotten Victorian serial killer, dubbed the Thames Torso Murderer, who was never caught.