The world has one heart and one city. There are thousands of people in the world of mortals, so there are thousands of cities. This article can be regarded as a follow-up to Yuan Zheng Gong Ci, but it can also be considered an independent story. It is the story about the posthumous son Xi Bai that Mu Yuyuan. Xi Bai is sensitive and grew up in the mountains. Shen Yishan, his second uncle who took Xi Bai as his son, was seriously ill. He went to ask Su Fu, the daughter of the Medicine Sage, for help. The two became acquainted with each other. Xi Bai went to Peking to buy medicine to cure his uncle. He happened to meet a runaway princess on the way and sent her back to the princess mansion ...
