In a daydream, a shy bank clerk is led by a fairy into a subterranean world where people transform into animals and waxworks come to life. Lucie, his office crush, follows him but a bad fairy is intent on keeping them apart.
After his engagement party with beautiful Aline, Claude, a struggling writer, meets his two closest friends. The trio sets up a daring publicity stunt, involving a fake murder. The scheme backfires as the fake victim gets really dead.
César and Achille, two industrial friends, take in an abandoned child and both claim the title of dad. Marcel, the company's accountant, meets Micheline, the young mother, and ends up marrying her. The child finds a real family.
