Now that they have inherited a huge sum of money Moïse Lévy and his brother Salomon are the prosperous owners of a a department store, the Galeries Lévy & Cie. Life is sweet but unexpectedly sours the day a fake Lévy cousin gets into their lives, claiming that the business is his, not theirs.

Christianne Delannoy is the daughter of Mr. Brown, who subsidizes a nursery in memory of his affair with Mrs. Delannoy. She loves Doctor Moreau, but her mother forces her to marry a rich young man.

A famous academic, very in love with his much younger wife, has every reason to believe that his love is reciprocated. He learns that he is being cheated on and falls seriously ill. His wife cares for him tirelessly and he understands that she has always given him the best of herself.

A pious family, a non-believer, and a little boy who suffered an accident, whom a doctor believes is forever doomed to crutches: can he walk normally again due to his faith in the Virgin of Lourdes.

Aboard a liner sailing for New York, there are no fewer than two hundred passengers bearing the name of Lévy, all persuaded that they are the heirs to multimillionaire Abraham Levy. Among them, David Lévy has fallen in love with Esther... Lévy! Which is not to the liking of Salomon and Moïse, his uncles, who have another future in mind for him.