Among the many traversers, there is no the most unlucky, only the unluckiest. Yang Zhen, a soldier who was framed by the Japanese and was forced to leave the army, returned to 1938 in an air crash accident, but he did not want to become a Japanese prisoner of war. , together with other prisoners of war, became the test subject of the notorious Japanese Unit 731, a Maluda who had no name but only a code name. Witnessing the ferocious atrocities committed by the Japanese army, he rose up to resist and led the captured comrades to completely destroy After the success, he led his comrades in the white mountains and black waters. Under the encirclement and suppression of the Japanese army, the Vietnam War became stronger and stronger, and finally formed an anti-Japanese iron army, ushering in the final victory of the eight-year war of resistance .