Christmas holidays on the snow of Cortina D'Ampezzo. Mario, a guy from Rome who has not much money, falls in love with the American Samantha, the girlfriend of hypochondriac Roberto. Billo, a singer and a playboy, meets Ivana: she now is married with a rich man, Donatone, but in the past she had a flirt with Billo, who wants to light the flame another time.