London, 1929. Frank Webber, a very busy Scotland Yard detective, seems to be more interested in his work than in Alice White, his girlfriend. Feeling herself ignored, Alice agrees to go out with an elegant and well-mannered artist who invites her to visit his fancy apartment.
Sherlock Holmes (Eille Norwood) is on vacation when he stumbles into a house and discovers two bodies. Both have been dead for hours but there aren't any visible signs of violence and soon other bodies start to pile up.
While filling in for injured supersleuth Bulldog Drummond (Atholl Fleming), world-class cricket player Jack Pennington (Jack Hulbert) attempts to foil a criminal mastermind's (Ralph Richardson) impending heist that's targeting a valuable jewel necklace held within the British Museum. This comedic 1930s mystery features daring rescues, intense fistfights and an exciting edge-of-your seat finale aboard a runaway train.
