Theo, a 27-year-old young man with Down’s syndrome, lives with his father in an isolated house in the middle of a forest. They live in harmony with nature and animals, but one day the father goes away, leaving his son alone with his visions… Theo then begins his odyssey in which he reinvents himself, opens up to the world, experiences freedom, and tries to discover the nature of things and of beings.

A foundling, raised in the circus, Sam Lion becomes a businessman after a trapeze accident. However, when he reaches fifty and becomes tired of his responsibilities and of his son Jean-Philippe, he decides to disappear at sea. However, he runs into Albert Duvivier, one of his former employees. He comes to realise that he has ignored the important things in his life.