For years, Seraphina has endured a cruel bargain to keep her mother alive. Whenever King Orion is overcome by the pain of past injuries, he takes what he needs from the girl kept beneath his power. In return, she faces only scorn, mistrust, and the agony of watching him cherish Cora in ways he never could cherish her. After her mother is gone and her final keepsake is destroyed by fire, Seraphina reaches her breaking point.