She's tantalizing. Spellbinding. Irresistible. And yet freelance photographer Uemura fights his attraction for the beautiful Mari with all his might. For not only is she the wife of the prominent head of a prestigious hospital, but all of those who've previously had affairs with this sensual succubus seem to have expired prematurely. It's a losing battle, however, and Uemura soon finds himself pulled into the arms of the voluptuous Mari and the jaws of a trap designed to suck men dry and spit out the husks. For it seems that Mari's husband, Ginjiro, is all too aware of who's been sleeping in his wife's bed, and the sexual predation that follows will pull Uemura into a world of bondage and depravity.

A series of rapes and murders of women have been making headlines in the newspapers. The Metropolitan Police Department's Special Investigation Unit 0, commonly known as the "No Unit," has been unable to find any clues and their reputation is completely ruined. To save them from this predicament, Ruriko (Fujisaki Rio), the granddaughter of a famous Showa-era detective, is summoned from the United States. Ruriko immediately begins her investigation. She comes up with a theory: "The culprit is within this investigation team..." Ruriko uses her sexy body to the fullest in the investigation! Her hot pants are now even tighter!