Flower of Gangnam (1989)

Sul-hie opts for an abortion after her boyfriend leaves her unemployed and pregnant. A man named Mr Jang takes pity on Sul-hie and helps her find work. In a relatively short amount of time, Sul-hie becomes a major stockholder of the firm where her former lover is employed. Using her position of power, she begins forces him to do her bidding on the threat of destroying his career.