The cat demon Bai Tang stole the jade pendant of Cang Xuan, the young master of the demon world, to relieve his own cold poison, but was chased by Cang Xuan. During the chase, the two discovered that the jade pendant contained ancient secrets, and that the cold poison was related to the rebellion in the demon world. They went from hostility to cooperation, working together to find a way to detoxify the cold and suppress the rebellion, and eventually fell in love.
