Kaori's husband is busy with work, leaving her to live a lonely life. One day, she becomes captivated by the strong, attractive body of a male sales representative who visits her home, and slowly begins losing her self-control. From her balcony, she provocatively drops her lingerie and the remote control to her vibrator to entice him, eventually inviting him inside. Engaging in erotic sex on the balcony, Kaori awakens to her own deeply sensual nature. The thrill and pleasure surge through her mind, overwhelming her completely.