In order to save the sect, Ling Qingyin, a disciple of the Immortal Sect, turned into a little demon and sneaked into the side of the Demon Lord Xuan Yi, hoping to steal his sword. She thought she was just acting on occasion, but she realized that Xuan Yi was looking at another person through her. He indulged in all her clumsy calculations, as if he was completing a grand memorial ceremony. When everyone said that she was Bai Yueguang's stand-in, Ling Qingyin finally discovered that the portrait hanging in the deepest part of the Demon Palace, the woman he had an unforgettable memory for, was none other than herself.
