Betrayed by her fiancé on Hunt Night, nurse Wren Hale dies on the road until the Raven Prince Corvin revives her by planting his royal eggs inside her. Now her heartbeat lives in the shells: if they survive, she survives. His court wants the clutch destroyed or taken from her. A hundred years ago Corvin let them break the last girl’s eggs, and now he must choose between Wren and his crown.