Moriarty is sentenced to death, and Sherlock Holmes prepares to retire to the country and marry his girl. But Moriarty has sworn that Holmes, Lt. Col. Gore-King of Scotland Yard, and his trial judge shall all be hanged too. When Moriarty escapes and proceeds to put his threat into operation, Holmes has to postpone his retirement.

• Fox Film Corporation
• Clive Brook
• Miriam Jordan
• Ernest Torrence
• Herbert Mundin
• Reginald Owen
• Alan Mowbray
• C. Montague Shaw
• Ivan F. Simpson