With Jack the Ripper on the loose and the emergence of a new serial killer called the Harvest Man, who carves people's faces off their skulls, Sergeant Nevil Hammersmith enlists the help of a criminal network to stop them.

Detective Kathleen Doyle has her hands full. She has recently been paired with the newly promoted Detective Sergeant Williams to investigate a turf war--a series of retribution murders between the Russians and the Irish, both of whom are trying to control a lucrative underworld business. Kathleen also just learned that she's pregnant and must now deal with the repercussions of her hasty marriage in the form of Chief Inspector Acton's mother, the displeased...