Kaede, a married woman, trips over a power strip cord, unplugging the outlet and cutting power to her husband Ryuichi's automated stock and forex trading program, resulting in massive debt. That night, two ruthless debt collectors, Sakurai and Imai, suddenly appear at their home. With malicious intent to force Ryuichi into a suicide staged for insurance money, they pressure Kaede into accepting their demands in a desperate bid to save her husband. This fateful decision drastically alters the course of both their lives.