In the autumn of 1942, a mysterious convoy was suddenly ambushed by the Japanese army in the wild. At this moment, Zuo Yingjie and Ling Feng, the Eighth Route Army hunter team lurking in the mountains, followed the sound of gunfire. The two cooperated exquisitely and sniped the Japanese soldiers one by one from a long distance, saving the only survivor of the convoy. Back at the station, it was learned that the survivor was named Qin Weizhou, a top secret code decryption expert of the Military Control Commission, and this person had also caused great damage to our party's underground organization before. The former enemy is now responsible for the important task of monitoring and deciphering the Japanese army's secret telegrams. Therefore, in the face of the overall situation of the Anti-Japanese War and the national justice, the organization decided that Zuo Yingjie would select an elite team to cross the line of fire and escort Qin Weizhou to a safe area. At this moment, the Japanese snipers and large troops also moved at the sound, and a life-and-death sniping was imminent...