Jonathan and his little sister Sophie are on holiday at they grandfather’s cabin deep in the forest. Jonathan tries to get rid of Sophie, but when he finally succeeds, it’s in a way Jonathan would never have imagined.
Sophie has been kidnapped by a huge bear, and now he has to somehow find her and get her back home. In the course of their journey the two are mixed up in an epic battle between a hunter dwelling the forest and the great bear. But before Jonathan and Sophie can save themselves, the forest and the bear from an evil fate, they have to accept each other as brother and sister.