Ling Changfeng, the director of Ningcheng Division in Hualing City, and Tang Qianyue, the proprietress of Fengyuexuan, have been married for three years and are in love. On the New Year's Eve, the two agreed to go shopping at the night market together. However, the appearance of a group of butterfly slaves changed their fate. Tang Qianyue, who was escorted to Fengyuexuan, also fell in a pool of blood. Ling Changfeng frantically looked for Qilin blood. Tang Qianyue woke up safely but underwent a butterfly transformation. The next day, Tang Qianyue woke up like a normal person but did not remember what happened at all. Seeing this, Ling Changfeng refused to mention it. But after Ling Changfeng left, Tang Qianyue found that the butterfly mark reappeared on her body, and her efforts to become a normal person were also burned...