Paul is an ordinary man balancing his time between running a shipbuilding business, his wife Elise, and their daughter Mia. However, his life takes a dramatic turn during a sea voyage when he encounters a bizarre and unexplained meteorological event. Following this encounter, Paul begins to shrink progressively, baffling scientists who are unable to determine the cause or offer any assistance. Eventually, Paul accidentally becomes trapped in his own cellar, now measuring only a few centimeters tall. In this suddenly hostile and everyday environment, he must struggle to survive. Throughout this ordeal, Paul confronts his own identity, humanity, and grapples with profound existential questions.