"Yuya", the operator of a small construction company, has been trapped in the business during the recession. He not only cannot pay his employees but also finds his own life in poverty; however, he cannot tell his kind wife Chiharu, who has always supported him, and he has gone through days of frustration. One day, an employee, Nakata, angry about not being paid, comes to his house. "Yuya" rushes out and immediately drives "Nakata" away, but "Nakata", who is very upset about his attitude, assaults the master's wife, "Chiharu", and threatens her sister, "Hina", to have sexual relations with her sister in the rice field. The madness of "Nakata" does not stop there...