In 1868, with his army officer father suddenly posted to India, and his mother mysteriously "unwell," fourteen-year-old Sherlock Holmes is sent to stay with his eccentric uncle and aunt in their vast house in Hampshire, where he uncovers his first murder and a diabolical villain.

In 1868, teenaged Sherlock Holmes faces danger in a train station for the dead, a museum of curiosities, and downtown Moscow as he helps his brother, Mycroft, who has been framed for murder.

Kidnapped and taken to China, young Sherlock Holmes enjoys adventure on the high seas before encountering a puzzling case of three men bitten by the same poisonous snake in different parts of Shanghai. Includes historical notes.