Tae is a wife supporting her husband, Kenta, who became unable to walk after an accident. To save their impoverished life, she chooses to participate in a shady part-time job at the invitation of a mysterious man named Kurosaki. While their living situation improves, the stress of daily guilt leads Tae to enter into a mistress relationship with Kurosaki. Furthermore, she suffers the misfortune of being physically and mentally trampled by a man named Konishi who joins later. In these hellish days, Tae's spirit finally reaches its limit, and she makes up her mind to quit the job...
