In the Yehuang Continent, a vampire clan lives in seclusion in Wuyue Mountain, guarding the ancient blood contract. Xiao Yan, the emperor's uncle, was cold-faced and taciturn, but he was actually the last pure blood-sucking nobleman. He stayed day and night, and restrained his instincts. Baili Zhen, the poisonous concubine of the Royal Pharmacy Bureau, has a hidden edge in her smile, and can defeat thousands of armies with a cup of tea poison. The two became connected because of the assassination, tested each other, and jointly recovered from the devil's abyss. Cracks in the blood contract appear, evil spirits invade the border, and the truth is buried in the dust of the Old Testament. He guards the boundary, while she investigates the source of the poison; he suppresses the Northern Army, and she uncovers the conspiracy. From utilizing to delivering sincerity, from guarding alone to fighting side by side. There are no golden fingers, only choices. See how the cold-blooded uncle and the evil and charming concubine break the situation with love and change their fate against the will of heaven.
