In a world hit by a wave of mutations transforming humans into animals, François does everything he can to save his wife. As some of the creatures disappear into a nearby forest, he and their son Émile embark on a quest that will change their lives forever.
Paul, is an ordinary man who divides his life between his shipbuilding company, his wife Elise and their daughter Mia. During a sea trip, Paul finds himself confronted with a strange, unexplained meteorological phenomenon. From then on, Paul shrinks inexorably, without science being able to explain...