The moment King Constantin laid eyes on Eloise he wanted her. Known as the "flame of the north", Eloise's red hair catches the demon King's eye and her strong personality captures his heart. The moment her hand touched his she felt a connection to him. She can't explain why she feels like she knows him. As Eloise takes her place in the ranks of her fellow witches, the demon King asks that she become his Queen. An arranged marriage will lay the foundation of peace between witches and demons for centuries. But as Eloise learns there is more to the story than a simple arranged marriage. A looming threat tests the peace between their people. Either they will work together to face the threat or fail and watch the world burn. Eloise and Constantin stand together to face the coming danger, building their relationship under threats from all sides. But will their strong personalities clash or will Eloise manage to tame the demon King?