Zhou Chu, the commander of the Xuanjia Army, who had been dressed as a man since childhood, returned to Beizhao in triumph but was brutally besieged. The culprit turned out to be her sworn brother, the deputy general Xu Hanzhi. Fortunately, she was rescued by Shang Kefeng, her former battlefield rival. Zhou Chu regained her female identity and lurked in Yinglou under the pseudonym Xue Shisan, waiting for an opportunity to take revenge on Xu Hanzhi who lived there. In order to find the truth, she maneuvered between the two men, and in the midst of the gentle pleasure, she was actually frightened at every step.