Peaceful unification between North and South Korea is about to take place. Therefore, the DMZ area near Panmunjom (JSA) will be designated as a Special Peaceful Zone (a.k.a SPZ) for unification of the Korean Commonwealth. So, Panmunjom has entered a overall development phase. However, murder takes place in the DMZ. The suspect is a deserter who is only known as code-name Firefox, the special agent of North Korea.
| Actor | Role |
|---|---|
 Yoon JooYoon Cheong-ha | Yoon Cheong-ha |
| LLee Kyung-mi-IIRim Kyeong-mi | Rim Kyeong-mi |
 Ju Min-haJoo Ho-yeong | Joo Ho-yeong |
| JJung Ji YeonJeong Eun-yeong | Jeong Eun-yeong |
| JJung Hee-joonSuspect Gumiho [ legendary fox with nine tails] | Suspect Gumiho [ legendary fox with nine tails] |
| LLee Seung-chul-IISuspect Gumiho [legendary fox with nine tails]'s voice | Suspect Gumiho [legendary fox with nine tails]'s voice |