Lin Xuanji accidentally traveled to Bianjing in the Northern Song Dynasty, and got involved in a serial poisoning mystery with the wisdom of combining traditional Chinese and Western medicine. She and Shen Kuo teamed up to detect strange medical cases against the royal family and civilians, and discovered that the Molian Society had quietly spread in the Tang Dynasty, and even found the "Five Elements Mark" on the patient's body that resonated with Xuanji's key. When Xuan'er revived Bianliang with the energy of the Chang'an system, and Li Xuanji came across time and space as a gatekeeper, an ultimate showdown that combined the five elements of traditional Chinese medicine, hot and cold weapon competition, and historical intrigue kicked off - this time, what they wanted to protect was no longer a city, but the inheritance fire of the entire civilization.
Intent: The integration of science and technology and ancient methods, and the benevolence of doctors to illuminate the flames of civilization - Lin Xuanji solves the mystery of Bianjing with the wisdom of traditional Chinese and Western medicine, protects inheritance at the crossroads of history, and explains that real progress comes from the reverence for life and the continuation of civilization.