Ki Kim

A man's family violently opposes his plan to marry a poor girl. The girl's mother is so disappointed and humiliated that she dies. His parents arrange for him to marry a politician's daughter but later learn that his bride-to-be may be his half-sister. (imdb)

Su-il goes overseas to study with his future father-in-law's financial assistence. Over time he falls out of touch with the family because of his studies. His girlfriend's family begins struggling financially, and after failing to contact him, his girlfriend marries a rich man to solve her families economic situation. (imdb)