Mio, a lawyer, is an enforcer of justice who makes it her motto to defend the weak in society. One day, Nakata, a man who runs a plastering shop, comes to visit her. He had asked Mio to be his Mio adviser in order to turn around his company, which was in financial difficulty, but he had been abandoned after spending the company's money on gambling. Nakata, enraged by resentment, pins Mio down. He films the act and uses it to blackmail her, dragging Mio to even greater hell...