Private goes on the hunt for London's most feared killer since Jack the Ripper.<br/><br/>For Hannah Shapiro, a young American student, the nightmare began eight years ago in Los Angeles, when the owner of Private--the world's most exclusive detective agency--saved her from a horrific death. Now, after eight years, the terror follows her to London. The only man who can help is former Royal Military Police Sergeant Dan Carter, head of Private London.<br/><br/>In London, young women are being abducted and their bodies found mutilated in a grotesque, mysterious way. Carter's ex-wife, DI Kirsty Webb, leads the investigation into these brutal murders, which may somehow be linked to Hannah Shapiro.<br/><br/>Working together, the two investigators are caught in a desperate race against the odds. Private may be the most advanced detection agency in the world...but can they catch a predator who rivals London's most elusive killer ever?