Karen works at a trading company and enjoys a happy marriage with her husband. Their life is going smoothly—they’ve bought a home in the suburbs and look forward to a bright future. But everything changes when her husband invites his boss over to their house one day. Worried about her husband possibly being laid off, Karen finds herself strongly drawn to her boss. Overpowered by his desires, she experiences pleasure against her will. As the intense sensations shake her heart, her will to resist gradually fades away...