Liu E, an orphaned girl, becomes the Empress of the Northern Song dynasty and a regent for the next Emperor.

A mysterious mathematical formula accidentally took Lin Chaoqi to a parallel world when she was 13 years old. In this strange adventure, with the previous years of accumulated experience in the Olympiad competition Lin Chaoqi with a buff suddenly found that those who had let down the time, abandoned beliefs, unfinished dreams, missed ties, and even her father's incurable disease, as she enters this alternate universe, everything can be made up for. Even those who have the worst possible starting point, there is still infinite possibilities.