Y/N becomes a maid at Blackthorne Manor, where three magical men—Lucien, Rowan, and Elias—hide dangerous secrets. After monsters attack searching for her, they discover Y/N has ancient sealed powers tied to a lost bloodline. As her magic awakens and spirals out of control, the boys protect and train her while fighting enemies hunting her down. Along the way, Lucien and Rowan become her family, while Elias slowly falls in love with her.