The talented producer Yonekura`s murderers Kouchi and Mihara steal Yonekura`s car and attempt to flee in it, but it immediately explodes. The driver of the car, Kouchi, dies instantly. Kyoto police inspector Ayanokoji is investigating a case in which scriptwriter Onda died when he drove his car off a cliff. Ayanokoji determines that Onda and Yonekura were once connected, and it also becomes clear that Yonekura was investigating Onda`s case. Later, another explosion occurs, claiming another victim, and the relationship between the cases begins to come into relief...