Kong Pong-suk

A film about a bulldozer driver who worked hard in reorganizing and developing the land in Hwanghae-namdo to make up for his father's wrongdoings during Korean War, and finally became a member of the Korean Workers' Party (Chosŏn Nodongdang) in North Korea.

Jin Ok receives a university affiliation letter after her service in the army. But she goes to the construction site of Hungbong Youth Power Station on Kumjin River instead. Why does she volunteer to work in a sector involving arduous jobs, giving up her long-cherished dream of studying in the university?