I've been bullied and humiliated for thirteen years; when I wake up, I'll be bloodthirsty.

Abandoned at a young age, Lu Yangyang struggled to grow up alone in the countryside, relying on the kindness of others. One day, she had a dream. In the dream, she was the true daughter of the Duke's mansion, disfigured and living a life of her own. She returned to the mansion full of anticipation, expecting to be greeted by the love and care of her family. However, their love and care had already been given to someone else—the imposter, Sheng Yunzhu, who, after being reborn, had instigated her wet nurse to disfigure and abandon her, thus taking her place. The imposter secretly had her maids steal her monthly allowance, fed her swill, beat and mocked her, and then went to the Duchess to complain that Lu Yangyang was picky and difficult with the servants, and that the whole mansion thought she was unworthy of respectability because she came from the countryside. Lu Yangyang lived a life worse than invisible in the Duke's mansion, earning a reputation for being insatiably jealous. On her coming-of-age ceremony, everyone falsely accused her of ruining Sheng Yunzhu's dress, forcing her to endure torture while wearing the dress riddled with needles. She looked at each of her relatives in the hall, but not one pleaded for her. Finally, heartbroken, she stripped off her clothes and jewelry, returning everything, and walked barefoot out of the Duke's mansion, only to be married off to a military family member and brutally abused to death. Lu Yangyang awoke with a start; the carriage to take her back to the capital was already waiting at the door. She returned to the capital, refusing to be included in the family genealogy. With a scalpel, she saved countless lives and was granted the title of Princess. Those family members she had previously begged for, their eyes filled with tears, pleaded for her to turn back and look at them. She simply calmly picked up the scalpel and slashed Sheng Yunzhu's face...