It tells the legendary experience of Yingshan County anti-Japanese hero Yang Chang who fought on the battlefield and sacrificed his life for the country. Yang Changan grew up as a son of a landlord and became a progressive young man. He resolutely joined the Communist Party of China during the trough of the Great Revolution. During the war years, he entered and exited the Communist Party ranks by mistake, heroically killed the enemy, and sacrificed his life for the country. Reproduce the story of the people of Yingshan who fought successively under the leadership of the Communist Party of China to resist Japanese imperialist aggression and defend their hometown.