'Yvain, or the Knight with the Lion' Summary

In the narrative, Yvain seeks to avenge his cousin, Calogrenant, who had been defeated by an otherworldly knight Esclados beside a magical storm-making stone in the forest of Brocéliande. Yvain defeats Esclados and falls in love with his widow Laudine. With the aid of Laudine's servant Lunete, Yvain wins his lady and marries her, but Gawain convinces him to leave Laudine behind to embark on chivalric adventure. Laudine assents but demands he return after one year. Yvain becomes so enthralled in his knightly exploits that he forgets to return to his wife within the allotted time, so she rejects him.

Yvain goes mad with grief, is cured by a noblewoman, and decides to rediscover himself and find a way to win back Laudine. A lion he rescues from a dragon proves to be a loyal companion and a symbol of knightly virtue, and helps him defeat a mighty giant, three fierce knights, and two demons. After Yvain rescues Lunete from being burned at the stake, she helps Yvain win back his wife, who allows him to return, along with his lion.