There he meets a woman who has unwittingly done a deal with a devil and, in order to have her released, Gawain battles and kills it.
Cadrès is crying because of his love for a woman, but in order to win her, he must defeat twenty knights in battle.
Tristan invites them all to his castle, where Gawain finally learns the truth of his apparent death.
Gomeret and l'Orgueilleux Fée went in search of Gawain and, finding a knight wearing almost identical armor, killed him.
A plot summary in French, written by Gaston Paris, is available in Histoire littéraire de la France, tome 30, 1888 (see below).