Ron Kamonohashi is without doubt the most gifted detective of his generation. However, he was, until he chose to slip away. Totomaru Isshiki, who is also an investigator, is looking for Ron to enlist his help. He soon finds Ron, but comes up against a new obstacle: the former police prodigy has no desire to return to duty. Tormented by a chaotic past, Ron Kamonohashi is in fact concealing a frightening secret: when confronted with a suspect, his character is completely transformed into that of a dangerous manipulator, who incites criminals to commit suicide even before they're brought to trial. However, there is one family that is totally resistant to his power and detective skills. Worse still: it seems that its members have a much deeper understanding of his mysterious past than they realize...