The village is celebrating in Herot and as soon as they all get tired and fall asleep. Grendel arrives and kills many people inside.
Beowulf and his men take a ship to Denmark to meet with king Hrothgar and kill Grendel.
Beowulf confronts Grendel in the mead hall and fights him without weapons or armor and kills him as he takes Grendel's arm as a trophy.
Beowulf heads towards Grendel's mother's labor to kill her. He kills her with a sword that was made by giants and cuts her head off and takes it as a trophy.
Later the peace is restored a new threat appears. Beowulf fights a dragon and then kills him but during the fight Beowulf had severe wounds and before he died he made two requests. 1. to send his armor home and 2. to return the inheritance