Sherlock Holmes and the Secret Weapon (1942)
In the midst of World War II, Sherlock Holmes rescues the Swiss inventor of a new bomb-sight from the Gestapo and brings him to England, where he quickly falls into the clutches of the evil Professor Moriarty. london, england, kidnapping, switzerland, world war ii, invention, black and white, gestapo, war effort, secret code, bomb -sight, dancing men, false bottomed trunk, one-legged actor, moriarty, holmes vs moriarty, sherlock holmes
ETC.
