Overview
Ki-Chul drives his friends out to a resort situated by an abandoned coal mine. His father owns the resort. When they get there, they cross paths with a spooky man who warns them about the coal mine. Later, the friends find themselves in a desperate situation and enter the tunnels of the abandoned coal mine. Will they ever see the light of day again?
| Actor | Age then | Age now | |
|---|---|---|---|
 | 30 | 41 | |
 | 29 | November 12, 2024 (39) | |
 | 30 | 41 | |
 | 51 | 63 | |
 | 26 | 38 | |
 | 22 | 33 | |
 | 26 | 37 | |
 | 19 | 30 | |
 | 41 | 52 | |
 | 38 | 49 |