Overview:

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.