Tang Xuan traveled back in time to ancient times. She had rich medical knowledge and many years of autopsy experience, but she was useless as a hero. After all, in ancient times, the only requirement that everyone had for themselves was to marry, and marry the dying Prince Annan. Thinking that after the death of the crown prince, she would become a wealthy widow with a farm and a shop, she would work hard to kill him...
Purpose: time travel, practice medicine, autopsy