Alerted by London, the New York police are on the hunt for Tumblety. Certain witnesses confirm his presence in Manhattan and crimes are committed with a similar modus operandi to those in London. The police have called upon some of the city’s most eminent citizens to help them with their investigation. Is Tumblety actually Jack? If he is not, who is he pretending to be? These are the stakes in the game «Mr. Jack in New York».