The Willards from Terre Haute, Indiana travels abroad for the once-in-a-lifetime vacation in Paris, France. Harry Willard believes that the greatest problem will be avoiding tap water, but bringing his three children will prove to be more troublesome

François Cardinaud is one of the richest shipowners in the region. But this success arouses resentment and jealousy. When Marthe, his wife, leaves the home without warning, Cardinaud sees her life cracking little by little.

Almost 19-year-old Marius feels himself in a rut in Marseille, his life planned for him by his cafe'-owning father, and he longs for the sea. The night before he is to leave on a 5-year voyage, Fanny, a girl he grew up with, reveals that she is in love with him, and he discovers that he is in love with her. He must choose between an exciting life at sea, and a boring life with the woman he loves. And Fanny must choose between keeping the man she loves, and letting him live the life he seems to want.