the summary for the prelude scyld is was a warrior and a king. scyld had a son named beow.scyld by the time he passed away.
the new king is horthgar he rulled heorot .grendle was a monster that would kill people from the kingdom called heorot .horthgar the ruler of heorot was casted a spell that grendle would kill people from his kingdom. beowlf a warrior came from far away to slay grendle he asked horthgar for his consent.
grendle saw the danes having a party and geting drunk and later that night he attacked them while they were sleeping .