Tae supports her husband, Kenta, who can no longer walk after an accident. To save their impoverished lives, she accepts an offer from a mysterious man named Kurosaki to take on a shady job. Their lives become easier, but the daily stress of guilt torments Tae, leading her to have an affair with Kurosaki. On top of that, she suffers further misfortune when a man named Konishi joins the group and physically and mentally abuses her. In the midst of these hellish days, Tae's sanity finally breaks...