Deep in the Scandinavian wilderness, a teenage boy named Otto is forced to leave his home after a group of ruthless hunters destroys his village in search of a mythical creature rumored to inhabit the forest. Now on the run for his life, Otto unintentionally befriends the elusive creature sought after by the hunters. Thus begins the dangerous adventure of Troll and Otto.

Together, the unlikely friends embark on a journey through treacherous territory plagued by enemies. The forest's inhabitants, Troll and Otto, must utilize their innate skills to hide, strategize, and fight their way back home. The forest is filled with the unknown, and teamwork is crucial to staying alive.