"Invisible" is a criminal coordinator who controls the underworld and mediates the transactions of all the heinous criminals. Its existence was whispered as an urban legend because it was known only to some people inside the police and had never approached its real image. Suddenly, such an invisible offers information on unsolved cases and violent criminals that he has been involved in, and offers to the police to cooperate in the arrest of the criminal. There is only one condition. To be in charge of the detective Takafumi Shimura, who was relegated from the First Investigation Division. A detective representing "justice", a criminal coordinator representing "evil", and two chemical reactions that should be incompatible with each other reveal a thug who is unknown to the world! What is the true "justice" ... What is the true identity of the invisible "evil" ...