When a couple of scammers hold young Alice Faulkner against her will to discover the whereabouts of letters whose dissemination could cause a scandal affecting the royal family, Sherlock Holmes decides to take over the case. (Considered lost, a copy was found in 2014, in the vaults of the Cinémathèque Française.)

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Main Cast: William Gillette, Ernest Maupain, Marjorie Kay, Edward Fielding, Stewart Robbins, Hugh Thompson, Ludwig Kreiss, Mario Majeroni, William Postance, Chester Beery

Director: Arthur Berthelet

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