Yolande, the daughter of Commissioner Navarro, pleads her first case. The worthy daughter of the commissioner wins hands down. Her client is exonerated despite the relentlessness of Lieutenant Garrel. Happy with her accomplished duty, she leaves the Palace for the office of Master Rossi, her boss, where her colleagues reserve a small party for her.

Two couple of friends, one very rich, the other almost homeless, decide to go on Holiday. Julie, a single mother, joins them too. Once at seaside, it starts a complicate love cross among them that will involve also a transsexual, a jealous brother, a Latin Lover and another nervous stressed couple. Not to mention about the daughter of one of them that is secretly in Chicago with one of her father's employees... At the end of the summer, all of them will join the same party...

The Cordier fight in family against the crime: the father is police captain, the son, investigating judge and the girl, a journalist.