Hugo, a vain clothing buyer, meets Myriam on a train and pursues a relationship with her. He is delighted to learn she is a prostitute and has no idea she has more in mind than Hugo bargained for.

Robin Bellefeuille, postman in Saint-Tropez and his friend gendarme Ficelle, have well-established ecological principles. When they learn about the future construction of a casino in town, they do everything to stop the project