Kim Ahyoung has to changes her name being Kim Yura after she was adopted. She thought that she would have a new chapter and happy being a part of a wealthy family but she's wrong. She hates all the things about her new life except met Hong Jonghyun, their parents are friends and partner business. They're growing up together and not get along. So many things that Ahyoung hid from people around her except her orphanage friend, Lee Seunggi. 

Then one day, Jonghyun knows the truth and quietly changes his view about her.       

What happened actually? What happened with Yura? And why Jonghyun dislike her? And how the things clear up at the end?