American expatriate John Robie living in high style on the Riviera is a retired cat burglar. He must find out who a copy cat is to keep a new wave of jewel thefts from being pinned on him. High on list of prime victims is Jessie Stevens, in Europe to help daughter Frances find a suitable husband. Lloyds of London insurance agent is using a thief to catch a thief. Take an especially close look at scene where Robie gets Jessie's attention, dropping an expensive casino chip down decolletage of French roulette player.

WANTED by the police in all the luxury-spots of Europe!... A catch for any woman!