Lou Qianli, the head of the Taiyuan Hospital, was involved in a power struggle due to the late empress giving birth to a son. A medical record recorded that the late empress was exchanged for a son. Twenty-six years later, the whole family was wiped out, leaving only her third daughter, Qing Ci, who was studying martial arts outside all year round.
All the evidence pointed to the prince's doings. In order to investigate the murder case, Qing Ci wanted to pretend to be the personal maid of Princess Yingsheng, who was married to the prince. Unexpectedly, she was plotted by her and entered the prince's house instead.
Purpose: To avenge the massacre of the family and show off in the world