Italian drama.

When her husband returns from his work abroad with a guest, a young girl, his wife suspects a liaison. She leaves her home. Her boss takes her to the Côte d'Azur. They get closer during the long voyage and the man invites her to his marital home.

A couple, convinced that extramarital affairs bring marriage to life, are having the time of their lives. But trouble begins when the bride falls in love with another man and abandons her husband.