Produced by the highly acclaimed Michael Balcon, the story revolves around Robert, the son of the owner of a musical instrument factory. He is in love with Vera, one of the factory workers, who is unaware of his position. So when she jokes one day that she would love a Rolls-Royce, Robert makes sure that she gets one. Then he decides to raise her salary out of all proportion to hint at who he is...

A young woman turns to 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.

In Paris, a wild girl becomes possessed by the soul of her twin who died to save her life.