Fan Xiaoxiao, a midwifery nurse who is the "King of Volume" in the County Maternal and Child Health Hospital, traveled through time and became Xiaolu, a girl who was a wandering doctor during the Xianping period of the Song Dynasty. Faced with the backward delivery methods and the extremely high maternal and child mortality rate in ancient times, she held medical books in one hand and a homemade scalpel in the other. In this world of the Song Dynasty, she wanted to carry forward the "sterile concept" and "modern obstetric care". She was responsible for treating illnesses and saving people and making money, while her father was responsible for providing emotional value and taking the blame. The father and daughter walked all the way through the streets, and eventually opened the "mobile stall" into the first "maternal and child specialist hospital" in the Song Dynasty.
