In Victorian London, someone is killing prostitutes, someone the police have dubbed "Jack the Ripper." On the face of it, John C.V. York (Cary Elwes) is a likely suspect. A once-respected doctor who sunk to absinthe and laudanum addiction after his misdiagnosis killed the young daughter of a Duke. He retains a connection to polite society thanks to the devotion of Lady Ellen Chamberlain (Clare Sims), who loves him and hopes to marry him. But, he is also a habitue of the seedy district where the killings have taken place and has the medical knowledge to make the precise, surgical cuts that are the Ripper's modus operandi...