In the 60s, in the heart of a village, Robert lives with his mother Odette. About fifty, balding, paunchy, Robert spends most of his time locked in the garage where he tries to develop a teleport machine. Robert will try to teleport himself, but a fly is stuck in the machine, and the scientific apprentice will gradually turn into a giant insect. Robert will little by little dehumanize to become a beast able to climb the wall, pushed by an insatiable search for food.