Grendel, a monster terrorizing Herot Hall, attacks 30 men while they slept. After hearing them laughing and being happy.
Battle with Grendel's Mother
The sea-hag is dead!!!!
After hearing news of Grendel killing 30 men in Herot Hall, Beowulf and 14 of his best warriors travel to Denmark to defeat Grendel.
Battle with the Dragon
In the battle with Grendel, Beowulf rips off Grendel's arm at the socket. This causes Grendel to flee and soon after die.
Your legacy will live on forever, my king.
As revenge for Beowulf killing her son, Grendel's mother attacks Herot Hall. Beowulf goes down to her cave to kill her. Beowulf is almost killed by Grendel's mother but Beowulf finds a giants' sword and kills her. Also, he beheads Grendel's dead body.
After 50 years of being king of Geatland, Beowulf gives up his crown to fight the dragon, whose jeweled cup/treasure was stolen. Beowulf successfully defeats the dragon but the dragon bites him causing his death.
Wiglaf, Beowulf's loyal thane who helped him defeat the dragon, becomes king. Before Beowulf dies, he asks Wiglaf to build a barrow filled with treasure to honor him.