A mysterious Green Knight arrived at the celebration and challenged the Knights of the Round Table to a dual. The green knight will take a blow from a challenger and a year later he will give a blow to the challenger.
Sir Gawain accepted the challenge in place of King Arthur and slice the head off of the Green Knight. They promised to meet again at the chapel in one year.
One year has passed and Sir Gawain went to fulfill his promise and goes on a journey to the chapel alone.
On his way there, he encounter a lord and lady where they welcomed. After a stay the knight want to leave but the lord and lady persuaded him to stay.
The lady knows Sir Gawain and all his stories. While the lord was out hunting, the lady gave Sir Gawain a girdle that is said to help protect him.
Sir Gawain left the lord and the lady and head to meet the Green Knight. As the Green Knight started to swing, Sir Gawain showed fear and flinched. The green knight stopped and SIr Gawain was ashamed. After the Green knight harassed Sir Gawain he stepped up brave and decide to take the hit. Sir Gawain was barely injured with only a cut. Sir Gawain was protected by the girdle the lady gave him.