Overview
Journalist Sang-jin uncovers the existence of the so-called 'Troll Factory' while investigating an online public sentiment manipulation story, and is confronted with an unbelievable truth.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 41 | 42 | |
 | 28 | 29 | |
 | 32 | 33 | |
 | 28 | 29 | |
 | 51 | 52 | |
 | 54 | 55 | |
 | 45 | 46 | |
 | 30 | 31 | |
 | 53 | 54 | |
 | 40 | 42 |