SooYoung is the one and only daughter of Choi family, one of the richest families in South Korea. Sunny is just an ordinary girl, living in a poor family. Her mother died when she was very young. Her father borrowed a lot of money from Mr.Choi so he has to let Sunny marry SooYoung so that Mr.Choi will forget about the money. But, SooYoung hates Sunny because she is poor. She thinks that Sunny is not suit for her. So she decided to be mean to Sunny and try to make Sunny leave her. What will happen next?????