In 1953 the Korean War is entering the final stage. The People's Volunteer Army of China has launched its last major battle in Kumsong. In order to arrive on time and deliver enough ammo to the Kumsong front line, the soldiers have to defend themselves against the never ending bombardments of enemy bombers and race against time to repair the last bridge, all while facing supply shortages and with inferior equipment.

Korean War, winter 1950. In the frozen and snowy area of Changjin Lake, a bloody battle is about to begin between the elite troops of the United States and China.