The journey of a man in the face of an impossible challenge. Didier has always been different from other children. What could have been taken for a certain slowness, a tendency to daydream, turns out to be a rare form of disability. All his life Didier will reason like a ten-year-old child, and what child didn't dream of going into space one day? At the age of fifty, Didier then embarks on the fulfillment of this inaccessible dream: to leave the farm in which he works to become an astronaut... even if it means falsifying documents to access the European Space Agency's recruitment session.