The play is adapted from Jiang Cao's comic book of the same name.Kim Bong-reok (played by Lee Jung-ha), who has been able to float in the air since he was a child, always carries a heavy schoolbag to school in order to prevent others from discovering his special ability.One day, he met the transfer student Jang Hee-soo (played by Ko Yun-jung). After exchanging secrets, the two quickly became good friends, but they gradually discovered that there was something unusual about the high school they attended.In school, it seems that many students hide their superpowers, and their parents seem to have some ulterior secrets.
At the same time, some bizarre murders occurred in downtown Seoul, South Korea.In order to protect his loved ones, the superpower who has been hiding in the crowd decided to stand up and face the approaching danger.