Paolo, an Italian tour bus driver living in Paris, who has just summoned up the courage to propose marriage to his German girlfriend Greta. But, the very next day, he encounters the alluring young French woman Cécile on her bicycle. Unable to get the image of this beauty out of his head, he seeks advice from his best friend, the Englishman Derek. In his attempt to meet Cécile to put an end to his obsession, Paolo knocks her over with his tour bus. His life is turned topsy-turvy as he tries to care for Cécile and her two small children and also still be there for Greta.