A young inventor--the man whose name appears in the title of Dr. Watson's narrative, "The Adventure of the Bruce-Partington Plans"--lies dead on the floor of an old house, two bullet holes in his back. To solve the gruesome murder, Sherlock Holmes enlists the aid of William Gillette, the celebrated American actor renown for his portrayal of the famous detective, and Arthur Conan Doyle, conveniently familiar with the world of spiritualism that serves...