The Third Lover 1962 L'Œil du Malin

Three's a crowd...until she whispered..."three's allowed."

On a work assignment in Germany, failed journalist Albin crosses paths with Andreas, a successful writer, and his wife Hélène, who quickly becomes the apple of Albin’s eye. While Andreas is off on a business trip, Albin tries to seduce Hélèn and, eventually, take over Andreas’ life