Denmark in the 5th Century: At a young age, the troll Grendel watch how his father by the Danish king Forget killed. Grendel is spared himself and swears revenge. Years later, the young hero travels to Denmark Beowulf to Forget in the fight against adult now, overwhelming Troll help. Beowulf gets help from the witch Selma, which is the only one who can understand Grendel and his actions justified. Only later, the hero learns that Grendel Selma with a child begotten.