Marians Academy is a school only for rich people. Lee Sungmin is a transfer student at  Marians Academy. She is the daughter of one of the most richest bussiness man in the world. Her parents are always busy but they always give time to their cute daughter. Lee Sungmin is a cute kind hearted girl, she is friends with Lee Donghae. Hae is also rich like Sungmin, she studies at Marians Academy so she's expecting Sungmin there. Lee Donghae or Hae have a crush on Lee Hyuk-jae or eunhyuk. He is the best friend of the one and only Cho Kyuhyun. Kyuhyun is a handsome , y and very much smart. He is the most popular boy in school, he is a playboy who loves to play with girls heart. If he sees Sungmin and fall inlove with her what will happen?