Some of the theater districts most fashionable and creative luminaries have been involved: a penniless stage critic and writer named Bernard Shaw; Ellen Terry, the gifted and beautiful actress; a suspicious box office clerk named Bram Stoker; an aging matinee idol, Henry Irving; an unscrupulous publisher calling himself Frank Harris; and a controversial wit by the name of Oscar Wilde.Scotland Yard is mystified by what appear to be unrelated cases, but to Sherlock Holmes the matter is elementary: a maniac is on the loose. His name is Jack.