In these chaotic times, war rages everywhere and smoke fills the skies. Xiao Heng, the legitimate prince of Nanlin, was obedient and well-behaved from childhood. At the age of six, he was set up by scheming men and sent to the Kingdom of Shuo as a hostage. The virtuous Empress Shuxian died of sorrow in the third year after her son was sent to a foreign land. In the end, the legitimate prince Xiao Heng never got to see his mother one last time. Six years later, he returned to the palace. The empress's bedchamber now belonged to another woman, and the crown prince had already been chosen. The legitimate prince Xiao Heng was made Prince Jing. Though he had never cared for the position of crown prince, he could not help but feel the chill of human nature. At thirteen, he volunteered for the battlefield and fought for seven years, becoming a dashing young hero while still in his early years. He commanded the three armies, held great military power, and was the master of the Xuan Yu Army. Shen Ruowan, daughter of Nanlin's Great General Who Guards the West, had once been gentle and demure, with a warm and graceful manner. She spent most of her time in her chambers, excelled at music, chess, calligraphy, painting, and needlework, and was well versed in medicine. Once a beloved legitimate daughter of a general, she suffered the extermination of her entire family and watched her loved ones die. From then on, her personality changed completely. To uncover the truth about her parents' and elder brother's deaths, she entered the palace to be selected as a consort. She later became Prince Jing's wife and could only follow him to his manor on the frontier. In time, she and Prince Jing, Xiao Heng, came to entrust each other with their hearts...