Ameno Shizuka is a 26-year-old junior employee who recently joined a major advertising company. However, she was quickly transferred to a branch office, leaving her with no opportunity to return to headquarters. One day, Executive Vice President Saeki from headquarters arrives for a business meeting. Seeing this as her chance, Shizuka decides to outmaneuver her colleague Iida. She arranges everything perfectly and plans a celebratory drinking party with Saeki to mark the success of the deal. But seizing a moment when she answers the phone, he slips something into her drink. As her consciousness fades, she finds herself obeying Saeki's commands, ultimately being forced into a sexual relationship against her will.