Traces of Life (1989)

Original title: Saeng-ŭi Hŭnjŏk

This is the story of Ji Jun, the widow of a sailor who swims out to an American warship with a mine in his hands and destroys it Kamikaze fashion during the Korean War. The sailor is a true believer in the revolution, while his wife cares more about what goes on in the household. In a change of heart, she decides to return to his farming village and work with the other beneficiaries of land reform to produce food for the revolution.