Ji Yun-seong

One Sunday, a penniless unmarried young South Korean couple meet, as they do every Sunday; while the pregnant young woman believes they are not ready to bring a child into the world, the young man decides to go visit his friends to borrow money for delivery.

Yong-cheol's plans to mary Ok-rim are destroyed by her parents who marry her off to Cheol-ju. Yong-cheol becomes powerful in the business world during the following years and he does his best to make life miserable for Cheol-ju and Ok-rim.