

In the middle of a performance of the play "Le Cocu", a very bad boulevard comedy, Yannick gets up and interrupts the show to take the evening back in hand.

A tax inspector, his new bride and her sister become entwined in a love triangle.

Follows three people whose paths cross during a terrible time of war: Olga, a Russian aristocratic emigrant and member of the French Resistance; Jules, a French collaborator; and Helmut, a high-ranking German SS officer.