This film is adapted from the real event of World War II, the "Goshan Factory Massacre". In 1945, the Eighth Route Army completely annihilated the 10th Army of the puppet army in Surabaya, killing the commander of the puppet army, Rong Ziheng, and achieving a great victory in Surabaya. One of them is catching upThe Japanese troops who went to reinforce, upon learning of the complete annihilation of the puppet army, dared not respond and quickly retreated. On the way back, they unexpectedly slaughtered the passing village of Goshan Factory, creating a terrifying 'Goshan Factory tragedy'Case.