Kim Hyemin (金慧敏) is a Chinese-Korean girl, majoring in Mass Communications at Yonhei University. A model student with perfect grades, she never had to struggle in her studies. That is, until EXO Kai came into her life... As she associated herself more often with the ever-popular EXO, she discover their secret as well. They are not human. They do not come from Earth. With this knowledge, will she and Kai be able to keep their relationship together?