Lord St. Simon, the most eligible bachelor in London, has just married a wealthy American woman, Henrietta Doran. But rather than a happy occasion, the young couple's wedding day turns to tragedy when an unwelcome guest arrives at the wedding breakfast, and the bride disappears completely. Even worse, Holmes is plagued with terrible nightmares that cause him to regard the plight of Lord St. Simon with contempt. The tension mounts and danger lurks as Holmes' nightmarish visions lead him to solve the case of "The Eligible Bachelor".