AN AUSTRIAN MEDICAL STUDENT LIVING IN FRANCE IS ACCUSED OF ESPIONAGE BY THE POLICE. HE IS SENT BACK TO HIS HOTEL TO FIND OUT WHO IS REALLY THE SPY. HIS CHANCE OF BECOMING A FRENCH CITIZEN RESTS ON WHAT HE CAN UNCOVER. STARRING JAMES MASON, HERBERT LOM, PATRICIAN MEDINA, RAYMOND LOVELL.