Jacques Decrey, an industrialist, finds out that his wife Gloria has a lover. Posing as a man named Berthier, he blackmails her. After a while, Decrey decides to make Yves Normand, a young unemployed actor and Gloria’s lover, out to be the blackmailer. But doing so he has set off an infernal machine.
Director: Edouard Molinaro.
Stars: Jeanne Moreau, Gérard Oury, Philippe Nicaud, Claire Maurier, Gérard Buhr, George Cusin, Robert Bazil, Jean Degrave, Richard Francoeur, Françoise Honorat, Joëlle Janin, Robert Le Béal, Marguerite Lorne, Micheline Luccioni, Jacques Mancier. AKA Back to the Wall