As a female doctor at the imperial hospital, Yun Ruo was forced to take the place of the princess and marry Beidi; before leaving, the emperor secretly granted her a blood contract, allowing her to perform a craniotomy in Beidi to save the old Khan; she was assassinated many times on the way, but she escaped with her guards and medical skills; when she first entered the Beidi royal court, she was regarded as a trickster by the second prince Tuoba Lie, who made things difficult for her; the old Khan suffered from brain disease, was comatose and cruel, and there was an undercurrent in the court. ; Yunruo used her superb medical skills to treat the queen and young children, and gradually won the trust of some nobles; in an accident, she treated Tuoba Lie's arrow wound, and the relationship between the two changed from hostility to curiosity; but the opposition colluded with the wizards and framed her for using witchcraft; Yunruo discovered that the craniotomy technique was actually related to the legend of the ancient witch god in Beidi, and there was a bigger secret hidden behind the contract; she must complete it within three months Surgery, otherwise the two countries will be at war again; however, the medicine before the operation was stolen, and she had to go deep into the dangerous situation to find it; Tuoba Lie secretly helped her, and the two began to fall in love on the edge of life and death; in the end, under the witness of everyone, Yun Ruo performed a craniotomy, but accidentally revealed that the black iron key was hidden in the old Khan's body; it turned out that the so-called contract was the key to opening the ancient ruins, and she was the chosen one. Inheritor; faced with competition from all parties, Yunruo and Tuoba Lie join forces to use medical skills and wisdom to break the situation and achieve true peace; the three keys come from the Central Plains royal family, the Beidi royal family and the Holy Mountain meteorite respectively; the Tianji Sect brothers attempt to use the energy of meteorites to live forever; Yunruo awakens everyone's conscience in the game, and after exhausting their efforts, she loses part of her memory, but she and Tuoba Lie retreat to practice medicine and pass on the medical skills
