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.
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.
Adrien, an attractive dancer whose career was shattered by a motorcycle accident, squanders his youth in idleness. His life changes when he meets Margot, who lives off scams and amorous manipulations.
