Bella is the one behind Kim Hyun Joongs succes in the entertainment world. She is like a little sister to him in the outside world but his boss when he's at work. Bella is a half korean, half swedish girl that has an IQ of 200 from America that helped with Kim Hyun Joong's rise to fame during her summer vacation after finishing high school. She started participating in her parents business empire since she was 13. She and Hyun Joong share the same personalities which makes them a perfect pair. They see each other as bother and sister. But will their relationship take a step forward?