Miyuki, a wife, works hard to earn money for her sick husband Yoichi's medical expenses. Miyuki keeps borrowing money in advance, and the corrupt president Hase notices her, pretending to give her advice as he approaches her. Hase even goes to her house and rapes Miyuki by force while Yoichi is asleep. When her father-in-law accidentally discovers Miyuki in a tattered state after being raped, he looks around and sees her disheveled clothes and some bills... From that day on, the father-in-law begins his merciless teasing of his beautiful wife, Miyuki.