After the Mukden Incident, three northeastern provinces fell into Japanese forces’ hands. This is the story of the anti-Japanese resistance forces led by sniper Ren Tianxing, who engaged in a grueling life-and-death gunfight with the cruel Japanese army. During their secret investigation, Ren Tianxing and his team discovered the devious plans of the Japanese forces - to use the villagers for large-scale in vivo experiments. At the same time, Ren Tianxing was challenged by a Japanese sniper. The smoke of war rose on Mount Huya, and the best snipers of China and Japan would eventually have a face-off. What would be the fate of all who were involved?
