Izumi (Yu Shinoda) is secretly meeting Ichikawa, a tax accountant she met when she was doing accounting at her husband's company. Izumi continues her relationship even though she's thinking about quitting. Izumi, who is conscious of her guilt, offers to break up with Ichikawa, but Ichikawa does not accept it. Her physical relationship escalates further and becomes a captive of Ichikawa's perverted play.
