The story focuses on the bond between Shen Qingci, the legitimate daughter of the Shen family, and Chu Yingtao, the junior sister of Qingya Mountain, interweaving the intrigues of the court and the grievances of the world. Shen Qingci was forced to become a sharp blade for his family's mission, but he formed a deep friendship with Chu Yingtao in Qingya Mountain; Chu Yingtao embarked on the road to pursue the murderer to find out the cause of his father's death, and the two reunited due to the Shen family's internal strife and the conspiracy of the Tao Shrine. From the theft of ordnance in Nanzhou to the human-faced flower poisoning case in Luoyang, to the rebellion crisis at the towering tower in Chang'an, Shen Qingci and Chu Yingtao join hands with Su Wuming, Lu Lingfeng and others to expose Shen Wanshan's shocking conspiracy in colluding with the remnants of the God of God, and finally resolve the crisis in Chang'an, protecting the peace of each other and the country.
Purpose: Through the growth and choices of Shen Qingci and Chu Yingtao, the conflict between responsibility and freedom, affection and power is explored. Finally, with "guarding" as the core, it conveys the persistence of sincere emotions and the righteousness of family and country.