Reika lives with her husband Yusuke, who works as a chief engineer in the prefectural office. One day, Kita, the president of a construction company that had been stripped of its construction project by Yusuke, comes to negotiate directly for another chance at bidding. Kita had bribed his predecessor to win the bid, but Yusuke found out about the corruption and forced him out. Yusuke rejects Kita, but Kita flies into a rage, pins Reika down, and assaults her, recording the act. Using this as blackmail material, he drags the couple deeper into hell...
