After graduating from university, Il-ryeong goes back to his hometown, a small village beside the Nakdong River. Ok-nam is his lover and a teacher in his hometown. He cooperates with her in order to enlighten the people and to improve the village.  Nakdong River is, along with The Street of Sun (1952) and A Bouquet of Thirty Million People (1951), one of the important films made during the Korean War that the Korean Film Archive has rediscovered and made available to the public.