During the Yong'an period, the undercurrent of Yong's imperial power was turbulent, and the disputes among the families were as complex as a chess game. Xiao Ce, the general of the Zhenguo Palace, guarded the country with a cracked jade sword, but was framed by Prince Jing, and was deeply involved in the maelstrom of the capital; Shen Qingci, the legitimate daughter of the Shen family, had a pair of sharp eyes to discern people's hearts, and used the account books as a blade to clear away the grievances of the family.
A marriage that began with interests has become each other's strongest armor. This is a legend of struggle for hegemony across the court and the border. It is also a warm epic of a pair of soul confidants who use love as a shield and wisdom as a front to protect the peace of their home and country and each other's lives.