Title: "Sherlock Holmes' Greatest Case: The Sign of Four"
Genres: Crime, Drama, Mystery, Romance
Summary: A young woman turns to Sherlock Holmes for protection when she's menaced by an escaped killer seeking missing treasure. However, when the woman is kidnapped, Holmes and Watson must penetrate the city's criminal underworld to find her.
Release: 14 August 1932 (USA)
Full Length: 73 min.
Director: Graham Cutts
Writters: Arthur Conan Doyle (novel), W.P. Lipscomb (screenplay)
Stars: Arthur Wontner, Isla Bevan, Ian Hunter