A race car driver marries a woman for her money and plans to murder her. An old suitor steps in to help her but the driver takes steps to eliminate the rival. But there's a flaw in the driver's plans.

While casing a bank he intends to rob, gangster Leo discovers one of the clerks, Antonio, is his exact double. He kidnaps Antonio and robs the bank, posing as Antonio. But Leo hadn't accounted for the involvement of Antonio's wife, Dorothy.

Spies pursue a stolen diary aboard the Orient Express.