Nicolas has a happy existence, parents who love him, a great group of friends with whom he has great fun, and all he wants is that nothing changes. However, one day, he overhears a conversation that leads him to believe that his life might change forever, his mother is pregnant! He panics and envisions the worst.

Molière, a down-and-out actor-cum-playwright up to his ears in debt. When the wealthy Jourdain offers to cover that debt so that Molière's theatrical talents might help Jourdain win the heart of a certain widowed marquise, hilarity ensues.

Raphael is a ghostwriter who takes a job writing for famous footy player Kevin. To his delight and his girlfriend, Murials horror, Kevins current girlfriend is an old (easily rekindled) flame of Raphaels. A freak accident leaves a close friend dead and Raphael is forced to reconsider his priorities.

It's the end of the school year. The long-awaited moment of the holidays is arrive. The little Nicolas, her parents and Grandma take the road towards the sea, and settle in for some time at the Hotel Beau-Rivage.