Cinderella and Four Knights

High school student Ha-won works hard at her jobs while being mistreated by her stepfamily. Impressed by her spirit, Hyun-min makes her an offer.

Ha-won comes to live with the chairmans three grandsons. Amid the odd circumstances, the chairman orders her to get everyone to dine together.

Hye-ji recalls Ji-woons promise to look after her, while Ha-won offers to help the chairman see his grandsons attend their fathers memorial service.

Hyun-min is humiliated after video of his confession spreads online. Ji-woon reveals the truth to Ha-won and brings her back home.

Ha-won spies Yoon-sung heading into an organ transplantation center. Seo-woos manager summons him to the office and shows him something.

The romantic tension heats up as Hye-ji comes to stay with the Haneul family. Ha-won works on drawing attention to herself.

Ha-won faces a difficult choice when the chairman finds out about her and Ji-woon. Yoon-sung spies on the chairmans wife.

Hwa-ja finally makes her power grab. The chairmans grandsons are united in their hope for his recovery, but the operation poses serious risk.