Kazuhiko Takano (Tatsuya Fujiwara) is an agent for spy organizatoin AN Tsuushin. His rookie partner is Ryoichi Taoka (Ryoma Takeuchi) and they sneak into the International City Fair, which will be held in three years in Tokyo. Various schemes exists surrounding the selection of the construction site for the International City Fair. An explosion suddenly takes place in front of Kazuhiko Takano.