It was a beautiful summer. A glittering summer of stars. Suddenly, a news broke out like a bomb. Sandrine, JÔerÔemie's girlfriend, moved to Trois-Castors. Jeremy sees everything black. Whatever the cost, he must find his friend. With his cat Picolette, he goes on a secret expedition. A bear, vipers, and even a frightful witch will stand in his way ... until he changes the color of his imaginary glasses.