In the troubled times of the late Qin Dynasty, Shen Xiao, a knight-errant, and Li Shuangyun, Li Si's daughter, were involved in the anti-Qin wave. Shen Xiao helped Xiang Yu in his rebellion, and together with Li Shuangyun explored the secrets of the Qin Mausoleum, learned the "Xuanming Sword Technique", and fought against the Qin army. They practice in seclusion. In the end, Shen Xiao and Li Shuangyun defected to Xiang Yu, joined the anti-Qin trend, and wrote legends in troubled times. The novel shows a group of heroes intertwined with personal destiny and the current of the times, and composes a magnificent war song of freedom and justice.