In My Father's Arms (1970)

Jeong-il and Eun-mi have a child together but Jeong-il's family successfully interferes and prevents their marriage. Eun-mi eventually marries, but her husband divorces her when he learns that she has a son. Seeking comfort, Eun-mi goes to her son's school and waits in front to see her boy, but Jeong-il tries to discourage this and does not want her to have any contact with the child.