A man who becomes wealthy starts to have an affair and though his wife knows of it, she says nothing. Soon, the affair starts to have consequences and his business falls apart while the man’s sister starts to have a relationship with the brother of his wife.

The fate of a Chinese worker who devoted his life to the revolutionary struggle, about his family, who gave many years to their native factory, about the victory of people's power in the country.

Based on the story of Li Zhong about the struggle of Chinese volunteers on the Korean front on the side of the North Korean defenders of the homeland. In the center of the film is the family of the deceased volunteer Yong Qing.