The film tells about the life and struggle of the Korean peasants living on the Phundekber plain, near the 38th parallel, against the Americans and the Lisinman people. The film is set in 1950.

The Lysynmanovites planned to kill Lee Min Se, a prominent scientist living in North Korea, in order to take possession of his discovery. To this end, they sent Park Dong Gyun to Pyongyang. After getting a close look at life in the Democratic People's Republic of Korea, Park Dong-gyun couldn't go through with the crime and decided to tell the Korean counterintelligence folks everything. With his help, a gang of seasoned saboteurs was exposed and caught.

About the heroic struggle of young Korean patriots against the Japanese invaders in 1930.

The film tells the story of a newlywed couple working on the railroad (the husband is a train driver and his young wife works at a lathe) in a lyrical and poignant tone. Both have difficult personalities and their own views on life, but together they take an active part in the economic recovery of the country after the Korean War.

The film tells a funny story about how two old men, wanting to meet their son-in-law and daughter-in-law, travel from the village to Pyongyang and find themselves in a funny and confusing situation.

The story of how the pioneers helped to hide the equipment of the mine where gold was mined from the enemy, and thereby disrupted the restoration of the work.