The greatest mystery surrounding Sherlock Holmes comes to light-he was actually a woman The master-or rather, mistress-of disguise finally puts pen to paper to reveal this decades-long deception and, in so doing, discovers another fact she kept secret even from herself. The complex mind of the brilliant consulting detective is finally opened to the public, in the chronicle of a new case involving Dr. Watson and Constance Moriarty, the beguiling daughter of Holmes infamous nemesis.