Li Yian is an ordinary high school student. She has just finished her college entrance examination and is embarking on her first trip in life. Unexpectedly, she travels through time and becomes the concubine of a small official family in the Southern Dynasty. Although this is an imaginary era, how can she live a comfortable life here with her high IQ in the 21st century? Although she just became the eldest daughter of a small official family, her biological mother, Aunt Sheng, was very decent, so she should live a happy life, right? Why did all these development trends become increasingly derailed? This seemingly stable mansion actually hides so many secrets...