Social outcast Yeonhui dreams of fitting in with her schoolmates. But her social status doesn’t seem like it’s going to change anytime soon -- until an alien named I-an falls out of the sky and crashes into her hopeless life. He helps her transform herself, and she ends up in an exciting love triangle. Will Yeonhui choose I-an, the alien who helped her learn the true meaning of happiness, or Hanje, the human boy who has been secretly protecting her before I-an appeared in her life?