The warrior Beowulf must fight and defeat the monster Grendel, who is terrorizing Denmark, then Grendel's Mother, who begins killing out of revenge.

In a besieged land, Beowulf must battle against the hideous creature Grendel and his vengeance seeking mother.

In Denmark, during the 6th century, Danish king Hrothgar and his warriors kill a troll whose son, Grendel, vows revenge.