In a remote house in the forest, Théo, a young man with Down’s syndrome, lives in seclusion with his father who is a photographer. The two get along in their daily lives without much talk. Théo loves nature and has a passion for drawing. Every day he spends time training his body, his balance, his reflexes and his inner strength, and dreams of becoming a samurai. When his father goes away to an exhibition, Théo decides to start a new life and his extraordinary journey begins.