Music and laughter filled the night airUntil it reached Grendel…Wide awake in his lair! So tonight we’ll ... Sure enough, as Beowulf saidJust that very nightGrendel burst into the hallA ...

A fierce battle ensues that leads to Beowulf's entering the watery lair of Grendel's Mother (Angelina Jolie), where a devil's bargain awaits. Beowulf returns to Herot, the mead hall, and becomes King.