Whne a wealthy young socialite mysteriously vanishes in Hyde Park, young Sherlock Holmes is compelled to prove himself once more. There is much at stake: the kidnap victim. an innocent child's survival, and the fragile relationship between Irene Doyle. Sherlock must act quickly if he is to avoid the growing menace of his enemy, Malefactor, and futher humiliation at the hands of Scotland Yard. As twisted and dangerous as the black streets of Victorian London.