A prosecutor seeks the help of a discharged police officer, giving him the chance to reclaim his old life in exchange for solving a bank raid case.

The troll prince Trym has only three days to save his father, King Grom, who has turned to stone and had his tail stolen by the evil presence in the forest. Trym and his companions must go on a wild and dangerous journey across the troll kingdom of Ervod to save his father's life and return the kingdom to its rightful ruler.