Beowulf (2007), directed by Robert Zemeckis, is a motion-capture epic based on the classic Old English poem. The film follows the warrior Beowulf as he confronts the monstrous Grendel, Grendel’s mother, and a final dragon, blending heroic legend with moral temptation. It presents a mythic world where monsters, curses, and fate are literal forces shaping human destiny.

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