Mai Hoshikawa, an investigator whose anger and frustration grow daily as her colleagues are successively caught up in a series of missing narcotics investigators. She obtains information about the Kuroshishi-kai from an informant and goes in alone... but it was all a planned trap! She is restrained and her body is manipulated irrationally while unable to move, she is administered the illegal substance she was pursuing, humiliation and abuse... and then a pleasure hell!! What will be the fate of investigator Hoshikawa!!