Socially prominent Michael Ashburn, chief assistant for a London loan broker makes a large loan during a closing time to a man for a pair of earrings. He is unaware that the collateral can not be removed from the ears in which they reside, so then Julie becomes part of the collateral.

A rich playboy wants to marry a chorus girl, but he'll lose his fortune if his trustee doesn't approve of his sweetheart. She decides to work in the trustee's brokerage firm under an assumed name to get on his good side, but complications ensue.

Gangsters are attempting to control the solutions (and winning) of the puzzles in a national newspapers picture puzzles contest craze.

Delia Jordan's father is murdered and some very valuable jewelry stolen. She hires The Lone Wolf.