About three young people who graduated from the village school and went to Seoul to enter the university.

A seriously ill girl decided to take part in a running competition. The newspaper announced that the winner would receive a large cash prize. And the girl was determined to win a prize for her family by all means.

The city, the heart of the capitalist world, the center of production and entertainment, and not far from it, exists at the very bottom of the city, which is the underground village. Since most of these villages are free workers and they are threatened with almost permanent unemployment, there is no organization in any form, and factory worker Kim Cheol-geun, a worker at the Hannam Iron Works, tries to form an organization, but an opportunity finally comes when there is no specific policy.

Lee Young-jin (Im Hwa), who had left her hometown and left her wandering path, returned to her hometown, but her parents had already taken her land and left for Bukgando. As he was about to leave again, he happened to meet an old man (Nam-gon Cha) whom he had been close to for a while and stayed there for a while.