Choi Minhee has always lived in the shadow of her older brother and sister, Choi Gina and Choi Siwon, who are twins. She believes that they hate her when in reality she means the whole world to them. But never mind that now. One day at the mall, Minhee sees this particular boy get chased by men and he calls for her to hold the elevator for him. Mistaking him for a criminal, she quickly closes the door and he slams into it.

Later, as her unnie and oppa's friends come over, she sees the guy at the mall! He's really handsome and his name is Cho Kyuhyun. Plus, he really seems to hate her?!