The drug trafficking organization, Kuroshishi-kai, grew increasingly massive. Meanwhile, undercover narcotics investigators kept disappearing in a series of incidents, and an elite investigator named Saya was drawn into the chaos, fueled by anger and frustration. Based on information from her comrade who had infiltrated Kuroshishi-kai, Investigator Saya raided their hideout... but it was all a trap! Caught in the web of the massive organization, Investigator Saya was captured by Kuroshishi-kai.
