When Paul returns to claim his estranged father's department store, he faces a frosty stepmother and a rebellious half-sister. His determination revives the once-thriving Galeries Parisiennes, healing familial rifts, and leaving a lasting bond with wise Marie-Louise.

To inherit his uncle's hotel and restaurant, a naive and simple man must pass his primary school exam.

Bernard, a young, serious publisher of religious books, finds himself embroiled in amusing and eventful adventures with Sophie, a wacky twist dancer. Having lost his own situation, he joins Editions du Soleil thanks to his friend Marcel's manuscript "Comment réussir en amour". Freed of his shyness, he succeeds brilliantly in his career; and having put to good use the teachings of the manuscript, Bernard ends up marrying Sophie. But he soon finds himself confronted by the impetuous young woman's fantasies.