In the capital city of Elysia of the Fae, Eva, a new member of the Ataran Royal Guard, has pledged to protect her king, her people, and the gentle faeries they share the land with from any threat, but she never imagined how much that oath might require of her. Burdened by a secret that could potentially ruin her, Eva is torn between her duty and her heart as she struggles to find her place in the kingdom all while an elusive man gradually slips past her guard. But when an old enemy returns seeking revenge, Eva's life is put on the line as both the people and the fae are tested in a fight for their lives. The fate of the kingdom hangs in the balance, and Eva is determined to save everyone she holds dear. The only question: at what cost?