In the battle of Shuofeng Pass, everyone in the Shen family died. Three years later, she entered the capital under another name and stayed in Pei Mansion. The second son of the Pei family, who was always sick and weak, always looked at her with unusual eyes. Has she been seen through? What stands between them is not only the blood feud between the Shen family and the Pei family, but also a court, a dead game of chess, and a turbulent emperor.