The play tells the story of during the period of Anti Japanese War, the Kuomintang and the Communist Party, China aid U.S. and Japanese invaders in the 24 turn the throat to launched a desperate fight to kill the story. During the Second World War, American aid to China supplies after after he arrived in Kunming, the Yunnan Burma road must be to the "24 turn" of the Yunnan Guizhou line can be sent to the front and at that time, the "capital" of Chongqing. Twenty-four turn into the CBI traffic artery, undertake international aid to China goods transportation task. CCP Guizhou committee secretary with Guizhou committee came to the Qinglong County, in accordance with the spirit of the instructions of the Central Committee of the Communist Party of China "the world anti fascist united front", in Qinglong launched the Anti Japanese propaganda, and actively support bridge road, made outstanding contributions for the protection of international transport Dayun veins. In 1942, the U. S. highway engineering unit of 1880 Engineer Battalion stationed in Qinglong, Guizhou building 24 turn road, to ensure the smooth transportation. The Japanese army to it both "seal" and "break", the Chinese and American forces on it to protect "through"". A good battle battlefield bayonet first-class soldier meson came to the "24 turn", the daylight he to Anti Japanese bombing and the Japanese smuggling, dark he to match wits with the spy battle of wits. This is an anti fascist struggle against the inevitable tragic battle.