When Echo Analia Vasileía is torn from her quiet hometown and thrust into the snow-laced kingdom of Lunaria, she learns the nightmares she's always feared are only the beginning. Hunted by an evil witch and hailed as a reluctant savior, Echo must master her power, survive brutal trials, and uncover the secrets buried in her blood. The fate of Lunaria-and her own place in it-will be decided by whether she rises or falls.