Shanghai, 1937. As invading Japanese troops are poised to capture one of the world's greatest cities, the Chinese Army retreats but one battalion stays behind to fight. TheseEight Hundred Heroes - defended Sihang Warehouse with intense bravery and their incredible heroism became an enduring myth that helped define modern China.|Shanghai, 1937. As invading Japanese troops are poised to capture one of the world's greatest cities, the Chinese Army retreats but one battalion stays behind to fight. TheseEight Hundred Heroes - defended Sihang Warehouse with intense bravery and their incredible heroism became an enduring myth that helped define modern China.