In 1938, in the Yimeng Mountain area, the Japanese invaders pressed heavily on the territory. The company commander of the Eighth Route Army, Zhu Mingjun, led his troops to defend Heishiyu. He cleverly used the terrain to set up cunning plots and launched a desperate fight with the well-equipped Japanese troops. There is no retreat, home is behind you! The sons and daughters of China built the Great Wall with their flesh and blood, and swore to protect the mountains and rivers even if they were not even an inch of land!
