Whether it's a Jack the Ripper copycat committing horrific murders in the Whitechapel district of London, or gruesome crimes in the East End prompting a look back at 300 years of history, it's up to the investigative team led by Detective Inspector Joseph Chandler, Detective Sergeant Ray Miles and jack-of-all-trades historical adviser Edward Buchan to decipher the nightmares of the past to help solve the horrors of the present. Summoning ghosts, however, can be a tricky proposition, especially when it leads Chandler, Miles and Buchan to places darker still.