For five years, Émile Silver has been imprisoned in a basement, blind and amputated. His sister, Alexandra, claims the outside world has become a nightmare. But when strange noises and an unexpected light disrupt his daily life, Émile finds the courage to make a desperate escape.
After reaching the outside and rediscovering his childhood garden, Émile encounters a mysterious voice offering him an impossible choice: to regain his sight and legs in exchange for a service. When the deal is struck, Émile awakens with a new vision and intact legs, but he is thrust into an even more troubling reality.