Risako, a model, is poisoned at a fashion show. After Detective Kariya finds out that Onishi, the PR manager of the apparel maker sponsoring the show, was being blackmailed by Risako, Kariya interrogates him. While his lover, a model named Haruka, worries, the doubt regarding Onishi is cleared up. Several months later, a bride is killed by being burned alive inside a locked room.
