The story takes place in the early days of the Anti-Japanese War. After the Japanese army captured Wuhan, they went south all the way, and Changsha was in danger. Faced with the sudden war, people in the city were panicked, and many people fled south and west with their families. With the cooperation of his family, Xue Junshan (played by Ren Chengwei), the grandson-in-law of the Hu family, tried his best to arrange the retreat of Xiangxiang (played by Yang Zi) and Xiaoman (played by Niu Junfeng), the most beloved pair of twins of the Hu family. Xiangxiang was entrusted to Gu Qingming (played by Huo Jianhua), a talented soldier who returned from studying abroad. Unexpectedly, Xiangxiang, who had been arrogant since childhood, was incompatible with Qingming, so Xue Junshan had to find another family. With the efforts of the whole family, Xiangxiang was finally arranged to get married before the war reached Changsha City, which was considered a relief. At this time, Chiang Kai-shek secretly ordered the burning of Changsha City. Due to a command error, the fire burned for three days and three nights. The thousand-year-old ancient city was destroyed. Thousands of people died in their sleep, including Xiangxiang's fiance's family. With heroes’ step, they use their bodies to defend this ancient city...