Alfred Hitchcock's spy thriller stars Frederick Stafford as Andre Devereaux, a French secret agent who becomes involved in the 1962 Cuban missile crisis. A mole is leaking secrets to Cuba and, with the help of CIA agent Michael Nordstrom and anti-Castro exile Juanita de Cordoba, the action moves from Russia via Europe to Cuba, as the crisis deepens and time runs out. Can they track down the double agent before it's too late?