Oh madam (1965)

A man fathered a child with a Japanese woman while Korea was under Japanese control. When Korea becomes liberated in 1945, the lovers were forced to seperate and the man was unable to meet his child for twenty years. He then learns that his daughter, now a young woman, is working in a coffee shop but has fallen on hard times. Despite his own limited resources, he makes up his mind to help her against the wishes of his current wife