Music and laughter filled the night airUntil it reached Grendel…Wide awake in his lair! So tonight we ... Could the monster slay! Beowulf leapt onto the backOf his mighty foeGrendel swung ...

Beowulf sets aside his armor and awaits the monster. 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.