Imperial Physician Of The Tang Dynasty

A male surgeon and a female internist have traveled together! This golden combination has arrived in the ninth year of the Zhenguan era of the Tang Dynasty. What changes can their journey bring to the Tang Dynasty?

If Empress Changsun had not died, would Crown Prince Chengqian still have rebelled? Could Li Zhi still have become emperor? Would Wu Zetian have been able to take the stage in history?