Overview
Major crimes unit detective Seong-jin arrests Tae-sung for petty crimes, but shocked to find out that he is the notorious serial killer. However, Seong-jin becomes doubtful of his identity as the serial murder case is investigated.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 51 | 60 | |
 | 40 | 48 | |
 | 42 | 50 | |
 | 36 | 45 | |
 | 35 | 43 | |
 | 35 | 43 | |
 | 57 | 65 | |
 | 32 | 40 | |
 | 25 | 33 | |
 | 46 | 55 |