In 1322 Hugh Despencer, King Edward II's lover, has turned the ruler against the Marchers. As Edward prepares the royal castles in Wales for war, the Marcher lords rebel against the Crown. Lady Brianna de Beauchamp, daughter of a powerful Marcher, is a strong-willed, resourceful healer. She's known since childhood that she would marry her charming cousin, but then "Wolf" Mortimer and his wolf come on the scene. Possessed of fantastic psychic powers, Wolf soon takes over Brianna's dreams.