Jacques is a writer living in Paris. He hasn't turned 40 but already mistrusts that the best in life is yet to come. Arthur is a student living in Brittany. He reads and smiles a lot and refuses to think that everything in life might not be possible. Jacques and Arthur will like each other. Just like in a lovely dream. Just like in a sad story.

One day, Jean-Louis discovers that his heart has stopped. He is not dead, can walk and talk, but his heart is no longer beating. With the help of his wife and a friend, he tries to understand the origin of this mystery.