Sherlock Holmes and Doctor Watson must protect a Swiss inventor of an advanced bomb sight from falling into German hands.

Watch the colorized version: https://youtu.be/GNcfytlI07Q
Director: Roy William Neill
Writers: Edward T. Lowe Jr., Scott Darling 
Stars: Basil Rathbone, Nigel Bruce, Lionel Atwill 
Genre:  Classics, Cult Film, Crime, Mystery, Drama, Adventure

@CultCinemaClassics