Chen Gang, a modern special forces soldier, accidentally traveled to the Songhu battlefield in 1937 and became the company commander of the national army. Facing the well-equipped and well-trained Japanese army, the Chinese army suffered heavy casualties. Chen Gang relied on modern special warfare skills to form a special warfare team from 20 soldiers to fight against the Japanese aggressors with scientific training and tactical innovation. From Songhu, Sihang warehouse, Nanjing, Wuhan to guerrillas behind enemy lines, it lasted eight years of bloody battles. The war was extremely cruel, and only 3 of the 20 members of the special forces team survived. They used their blood and lives to interpret the iron-blooded spirit of Chinese soldiers and witnessed the tragic and greatness of the national war of resistance. Remember history and cherish peace.