A Curse of Beasts and Magic follows Raine Stone, an ER nurse who survived a horrific monster attack as a teenager, only to discover that the Beast responsible now lives inside her. Struggling to control her violent urges, she is drawn into a hidden world of mythical creatures when she saves the life of a powerful man's grandfather. Forced to work alongside Remington Byrne, the enigmatic Warden who polices the supernatural realm, Raine must navigate dangerous politics, uncover sinister plots, and decide whether the explosive attraction between them is worth the risk of unleashing the monster within.