In 1888 London's Whitechapel slums, poor women like Mary Kelly and her friends walk the streets for a living. When the streetwalkers begin to be murdered one by one, it attracts the attention of Inspector Abberline, who takes a personal interest in the case, and Mary Kelly. Now he must use his psychic abilities to stop the most notorious serial killer in history -- Jack the Ripper -- before Mary is killed.

Three years have passed since the Leman Street locomotive disaster, when DI Edmund Reid is forced to return to Whitechapel to help clear his former associate's name. Once again Reid finds himself, along with DS Drake, plunged into a criminal underworld that threatens to overtake London'e East End on the eve od Queen Victosia's diamond jubilee celebration.

This fourth and final season sees the pressure become greater for DI Chandler, DS Miles - and, this time, highly personal. The team are confronted by dark, twisted, gothic murders that reach right into their fears and superstitions... someone is killing suspected witches; flayed bodies suggest the murderer is more interested in the victims' skin than in their death; and the sewers of Whitechapel threaten with an additional layer of horror.

Meticulous and obsessional, DI Chandler and his unit are based in Whitechapel - an area drenched in dark history and sinister goings-on. It is where Jack the Ripper carried out his horrific crimes. It is where The Krays constructed their Empire of Crime based on sadomasochistic punishments. This series unearths a Whitechapel full of Gothic shadows, cobblestones and ancient hostelries. There's fear in the Huguenot weaving houses of Wilkes Street, and...