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.
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.
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.