Grendel starts to menace and terrorize Hrothgar's men killing every man in sight in the hall. leaving blood all over the hall too let the people know not too come back or the same could happen to them.
On hrothgar’s request. Beowulf arrives at heorot.
Grendel attacks the danes at night. Beowulf kills Grendel with his bare hands. Then Grendel’s mother attacks the danes in retaliation for the murder of her son. Next Beowulf gears in armor, tracks Grendel’s mother to her watery dwelling, and kills her. Then hygelac dies in battle and Beowulf is crowned king in succession.
Later on, a dragon burns some villages that are a part of beowulf’s territory as retribution for the theft of its goblet.
Beowulf takes a contingent up to battle the dragon, a fierce battle ensures and Beowulf successfully slays the dragon at the cost of his own life.
(Theme) theirs is always a great struggle between being good and being evil.
Beowulf dies and the danes send him off into the sea as a burial.