Chen Yan died suddenly on the last subway train, and when she woke up, she was a baby girl from a poor family in the late Song Dynasty. There is no system, no complete history answer, and not even his own name. She can only start by becoming literate, recognizing horses, and learning to survive. Later, when the storm was approaching in Bianliang, she gradually turned the skills of court equestrian that were used for fun into a method of establishing herself in troubled times, and also pushed a heartless young man from a poor clan to a position that must bear the world.