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.

In an accident the young mechanic Marco Coccia meets Cristiana. The two fall in love with one another. Cristiana confesses only later that she is a genuine princess. For Marco it is not a problem, but for Cristiana's parents it is a very big problem. The two must separate. When one evening Cristiana calls Marco and lets him know about her forthcoming wedding, Marco with the car races toward Paris and has an accident...