Elara, the last descendant of the Supreme Witch of Salem, has been posing as an ordinary person with no magic power to hide her identity and avoid the pursuit of the Vampire Council before the "Blood Moon Awakening". Forced by her vicious stepmother, she marries Victor Nightshade, a violent, dying vampire tycoon whose legs are paralyzed by the petrification curse of dark magic, on behalf of her younger sister Seraphina. After the wedding, Elara secretly uses her faint magic to soothe Victor's curse, and the two quickly develop a fatal attraction amid mutual testing. Facing the bullying of her vampire relatives, Elara appears meek and compliant on the surface, but secretly uses "hidden magic" to make those who bully her suffer all kinds of hardships, such as flat tires and torn gowns. The greedy younger sister Seraphina, noticing that Victor has regained his handsomeness and power, seizes the opportunity to steal Elara's family heirloom, the Black Book. Believing a prophecy, she delusionally attempts to impersonate the Supreme Witch to become the Vampire Queen. The scheming uncle Marcus takes advantage of the situation to fan the flames, using Seraphina to feed Victor a fake drug that accelerates petrification in an attempt to seize power. At a critical moment of life and death, Elara casts a spell from afar in the basement to pull Victor back from the jaws of death. The awakened Victor sees through everything, flies into a rage, fiercely protects his wife and crushes the rebe
