Fate threw the young architect Won Il with his eldest son to South Korea. In the north, in Kesson, his wife remained with two small children. After the death of his son, Won Il rushes to his homeland, to his relatives, to his family.

About the heroic struggle of the Chinese people against the Japanese invaders in the 1930s. In the center of the film is the image of a young Korean woman, Kyoung-ok Yoo, who selflessly fought in the ranks of the Chinese patriots.