Grendel wanders in and attacks the danes while they're trying to have a good time
Beowulf hears news of the attack and comes to be the hero the danes need
Beowulf and Grendel fight it put and Grendel is ultimately defeated by weaponless Beowulf
Grendel's mother emerges from a lake, furious about the death of her son, and comes seeking revenge; but ultimately reaches the same fate as her son.
A slave then enters a cave where a dragon is sleeping and steals a cup for his mater. The dragon is awoken and begins to wreak havoc on the town. Beowulf is now old and must fight the dragon
Nobody comes to fight by Beowulf's side other than one man, Wiglaf. Who then is given the throne when the dragon bites Beowulf before dying. Beowulf requests that he is turned into a high tower when he is gone.