Overview
The tunnel collapse and a survival battle is about to begin. Struggling to escape the life-and-death situation, the game of human nature and the warmth and coldness of human relationships quietly arise.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 40 | 41 | |
 | 44 | 45 | |
 | 35 | 36 | |
 | - | - | |
 | 48 | 50 |