There is a boy who once became a victim of swindler and lost his family. Later, he turns into the most hideous “black swindler” to deceive only other swindlers. His name is Kurosaki. This time, he is requested by Reiko, whose daughter is sick, to hunt down a swindler named Ishigaki, who has defrauded her of money. But, behind Ishigaki, there is actually a bigger swindle which has even destabilized the Japanese economy....