1943, the Japanese Army is falling back to the Pacific, leaving only collaborationist troops. Commissar Yang Xiaodong is sent to inflitrate the provincial capital.

After the victory of the Anti-Japanese War, Chiang Kai-shek stepped up efforts to eliminate dissidents, and first targeted Long Yun, who was in power in Yunnan and had progressive ideas.

The story of Pan Dongzi, a teenager and son of a Communist army officer. When the father is called off, he leaves Dongzi a red star as a symbol of the cause. While he is away, a bourgeois landlord, Hu Hansan, returns to Dongzi's village where he exacts revenge upon the peasants who had forced him out