On one side, a crooked banker, his nephew and his orderly; on the other, the honest friend of the banker and his daughter. Substitution of male and female characters that end with two marriages.

Martine is a lonely girl in an exclusive boarding school who conjures up a glamorous existence in order to make her dull life tolerable and to impress the other girls. One of her flights of fancy is a love affair with Brevannes, a famous composer. She leaves the school and goes to the French Alps to find the life she's only dreamed about, where she meets Brevannes and a December-May romance develops until she meets a young mountain guide, Henri Vidal.

Mr. Placard, impresario of shock, lost the headliner of his show, Elia Tarti. Amédée introduces himself, he can highlight his gifts of fantasy. Randomly along the way, Amédée notices a seductive hitchhiker named Cigale. This one disappears again, kidnapped by Prince Kanaga. Assisted by a friend, Amédée flies in his footsteps and discovers in Nice that Cigale is none other than Elia Tari, capricious, disdainful and snobbish star.

Madeleine Vernier, a renowned actress, is soon to perform a play written by her second husband, Gilbert Renaud. Her previous husband, Raymond, shows up and reveals to the young woman that the play is a transposition of a crime that Gilbert has always managed to hide. Disturbed and frightened, Madeleine regains her affection for Raymond, who is delighted, but mysteriously dies. The actress and author would have everything to fear from the police if Maguy, the couple's false friend, were the culprit. The curtain can finally be lifted.