As three friends prepare to enter adulthood with their high school graduation only a few months away, they lose one of them in an accident that will change their life forever.
| Actor | Role |
|---|---|
 Yoo Ji-taeDo-gi | Do-gi |
 Kim Ha-neulChae-young | Chae-young |
| RRang HaJune / Byeong-cheon | June / Byeong-cheon |
 Seo Young-heeNurse | Nurse |