Woken up and annoyed by the noise of workers in his Paris apartment block, Marco meets a young apprentice electrician, Haythem, working on the cabling under the floors. After knocking off, he meets up with Marco and they become friends. When Haythem learns that Marco is about to go to Tunisia for a holiday, he entrusts him with the delivery of a letter and some money for his father who lives there. But before that, Haythem takes Marco to the Hammam to introduce him to its most subtle customs.

Serge-Henri Frikard-Meskin - a property developer never out of the news - lives with his second wife, Maggy, and his two children from his first marriage, Charles-Edouard and Pierre-Alexandre, in a sumptuous villa in the south of France. Their butler is rushed away by ambulance, suffering from an inexplicable disease. The couple call an agency, Domestique Intérim, who send them another. His arrival and the arousal of lust it brings will turn the lives of this family and its friends upside-down, revealing well-kept secrets along the way.