Elsa Lundenstein is accused of having murdered her lover. The jury discusses the case vividly. All members are somehow prejudiced because of personal life experience and subsequently each member reads something different into the presented facts.

"Le Tambourin", a Montmartre nightclub, is on its way down. Although it can boast great performances by the alluring Les Bluebell Girls and by Jacques Hélian's lively Big Band the venue does not attract people anymore. Nightclub patrons now prefer the jazz cellars of Saint-Germain-des-Prés. Taking this new taste into account, the staff of the "Tambourin" and Jacques Hélian decide to set up their own club, "La Pivoine Ecarlate". They are joined by Pâquerette, a flower vendor and amateur singer, and by Jean-Pierre Francis, an existentialist poet...

Professor Louis Delage is a kidney transplant specialist. He is so good in his field that his peers nickname him the "great man". But one day, one of his patients die during surgery and Delage starts doubting. Is he actually such a great man? To fight desperation he decides to take in the deceased child while devoting more time to Florence, his hitherto neglected wife.

Léon, a humble civil servant, has the unusual ability to walk through walls, however thick they are. One day, he falls madly in love with a charming hotel thief by the name of Suzan.

1939 : what a beautiful year for Claudia and Jerôme. No sooner do they meet that they are under each other's spell. 1939 : what a horrible year for the two lovers : war breaks out before they can get married. They meet again after the war but the enchantment has vanished. They decide to marry but it will be for reason, not for love. Miracles only happen once.