Sir Gawain and the Green Knight

The poem tells the story of Sir Gawain, a knight of King Arthur's Round Table, who accepts a challenge from the mysterious Green Knight.

Gawain beheads the Green Knight, who then picks up his head and sets a date for Gawain to meet him at the Green Chapel in a year and a day.

The narrative follows Gawain's journey to the Green Chapel, where he faces various tests of his honor and chivalry, including encounters with the Lord and Lady of a castle.

The poem delves into themes of mortality, the inevitability of death, and the importance of keeping one's word and adhering to knightly duties.