Set in a magnificent villa near a sun-drenched St. Tropez, lovers Jean-Paul and Marianne are spending a happy, lazy summer holiday. Their only concern is to gratify their mutual passion – until the day when Marianne invites her former lover and his beautiful teenage daughter to spend a few days with them. From the first moment, a certain uneasiness and tension begin to develop between the four, which soon escalates in a dangerous love-game.
The feature-film debut of famed director Louis Malle is an interesting, modern film noir with the classic theme of lovers plotting to kill the husband and make it look like suicide (reminiscent of The Postman Always Rings Twice). Jeanne Moreau gives an astonishing performance, perverse but naive as she leads her young lover down a path that can only lead to doom for both of them.
An important drug lord settled in Marseille is suspected of having ordered the killing of an American agent, but it is impossible to impute him due to his political influences, so the dead agent’s boss decides to hire the services of a hitman to kill him.