Sandara/dara Park is a like a butterfly. When she was a little girl she used to bully by the other children and she didn’t know why. The only thing she knows is there is a boy who command them like as if he is the boss, but there is a boy who help her and always protect her, but.. when she comes to her limits she promises to herself that she will take revenge to the people who abuse her.  She grab the chance when she heard that her family is moving to the other country, she use it as her first step. And when she come back to korea she is no longer the girl that they can stepped on she is stronger and has beauty and charm that others can’t resist. She is like a butterfly that came out to her own cocoon and turn into beautiful butterfly.

Who is the boy who acted like a boss?

Who is the boy who helped her?

Does she really take a revenge?