On the year her alpinist father died while climbing Mount Everest, Wooju becomes an alien enthusiast after she encounters with an alien at a small mountain in her town. She gets bullied at school after telling her friends about the encounter. Ever since, Wooju decides to keep it a secret. Now her motto in life is to act as ordinary as possible and never stand out. One day, she takes courage and enters and alien enthusiast club that has such a bizarre vibe. After the most popular guy in her college called Heemun joins the club, Wooju’s life is not the same any more.