The Wakamiya couple run a humble car repair shop. Yasui, a live-in employee, is hated by the couple for treating him rudely and making fun of them. One day, unable to bear the simple dinners and exorbitant pay cuts, Yasui waits for a moment when the president is out and rapes the wife. Unable to resist, she is caught in a weak spot and begins to do as he says from the next day. Then, on another day, debt collectors come to the shop...