39 years old Jacques Monot is tired from the same vacation he and his family have every year so he decides to buy a boat.

Newly married, Mathilde and Robert are honeymooning at a resort owned by their friends Edith and Arthur, the Chateau d'Hercule. But an unpleasant shock is in store for them.

Catherine and Oracio are real estate advisors, and are visiting two properties in quick succession: a large bourgeois house "which can have a swimming pool and RER view", and a small modern apartment in the heart of Bougival's golden triangle.

Albert, a sound engineer who is chronically hesitant successively meets three charming young women who will, each in their own way, provoke and help him to get a better hold of himself.