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's married with a rich man, Donatone, but in the past she had a flirt with Billo, who wants to reignite the flame.

Antonio Barozzi moves from Lago Maggiore to Rome to become an actor. He does not realize his agent and acting coach are only manipulating him to further their own careers.

Since her husband is distracted by his passion for horse racing, Lucia decides to make him jealous by pretending to be the lover of his bodyguard, Diego.