Female protagonist: Lin Qingyan, 26 years old, is an attending doctor in the emergency department of a modern tertiary hospital. She is calm and decisive, and has strong hands-on ability. She fainted at her job due to continuous overtime work. When she woke up, she time-traveled into the body of Shen Qingyan, the concubine of the household minister of the Dayin Dynasty. The original subject was weak and sick. Due to the harsh treatment of his aunt and the neglect of his father, he died "accidentally" after a cold wind, which gave Lin Qingyan a chance.
