The second tale treats Morgan le Fay's attempted murder of Arthur. Riding in pursuit of a great hart, Arthur, Accolon, and King Uriens come upon an enchanted barge, where they are given a feast, then shown to splendid beds. Through Morgan's magic, Morgan's husband, King Uriens, awakens in his wife's arms; Accolon, her beloved, awakens at the edge of an enchanted well; and Arthur awakens in the dungeon of the cowardly King Damas, who imprisons and starves errant knights in hopes of forcing one to fight for him against his brother, an honorable king of whom Damas is jealous.
Arthur agrees to fight for Damas in order to free the other knights. As Damas's overlord, he can punish him later. Meanwhile Accolon is given Arthur's sword and scabbard by Morgan, who loves him and hopes to make him king and herself his queen. She arranges it that Accolon fights for Damas's brother. Thus Accolon and Arthur fight, neither one knowing the other, with magic on Accolon's side. Nineve, knowing Morgan's plan, comes to Arthur's aid and he is able to defeat Accolon. Accolon dies a few days later.
Morgan, supposing Arthur dead, raises a sword to kill her husband in his sleep, but her son Ywain prevents the murder. Morgan steals back the magic scabbard Arthur has gotten from Accolon, and when Arthur pursues her she throws it in a lake. She meets Accolon's cousin, who is about to be executed on the charge of having seduced a knight's wife. She rescues him, murders the cuckolded husband, and makes Accolon's cousin (Manessen) her new defender.
