As the heir to the Shen family, Shen Yanci protects his brother and family amidst brotherly suspicions, family intrigues, and border wars. He joins hands with the heroine Su Qingyuan to resolve internal and external troubles, exposes the conspiracy between Shen Yanchuan and Nanguo, and finally stabilizes the Shen family's foundation, protects the peace of the family and the country, and guards the world and the court with the heroine.