Overview
When a crime organization from North Korea crosses borders and enters South Korean soil, a South Korean detective must cooperate with a North Korean detective to investigate their whereabouts.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 34 | 42 | |
 | 47 | 55 | |
 | 44 | October 30, 2017 (45) | |
 | 43 | 51 | |
 | 31 | 40 | |
 | 26 | 35 | |
 | 40 | 49 | |
 | 46 | 55 | |
 | 9 | 18 | |
 | 64 | 73 |