The soul of Shen Xiao, a sophomore girl, accidentally time-traveled into the body of a female doctor. Later, by chance, she went to Chengguo Palace to work as a medical apprentice. As a result, she met Liu Yun, the bodyguard who loved to tease her, Su Mo, the prince who was gentle and sinister in appearance, and a lot of trivial matters in the high-level mansion. After intrigues and intrigues, she gradually discovered the mystery of her life experience and the truth about the death of her master Shen Minghui.
