When Vyvian du Lac dies, Morgen le Fay—mysteriously bereft of magic—is transported to the forest of Brocéliande. Her daughter Llachlyn flees jealous Queen Mawra to her cousin Sir Gawain’s home, dragging Gawain and Hwyfar back into the politics of Carelon. Merlin’s darkest prophecy looms, and the battle for Arthur’s legacy has just begun…