Jiuling was once the daughter of the crown prince, the princess of a nation. She specialized in medicine and incredibly intelligent, and yet she was murdered. After her death, she actually ended up reincarnated into the body of a distressed orphan girl, Jun Zhenzhen.
One of these days, Jiuling was going to go back to her killer and get revenge. However, she had urgent matters at hand that needed tending to, trouble of which was left to her by the previous owner of Jun Zhengzhen.