Sumire, a sexless married woman, is visited by her former lover who brings a vibrating strange toy and tells her to insert it into her vagina. Fearful of their relationship being exposed, she reluctantly accepts. The moment the switch is turned on, vibrations and pleasure course through her entire body! In the kitchen, at the entrance, even next to her sleeping husband, Sumire struggles with the dangerous game that would be over if discovered. Will she choose married life or the pleasure from the vibrator?
