Yukiko lives a peaceful life with her husband. One day, she bumps into an old female friend in the city by chance. Her friend's boyfriend works as a professional masseuse, and Yukiko is spontaneously persuaded to try out an oil massage session. During the massage, Yukiko is completely overwhelmed by the intense physical sensations and experiences a profound awakening of pleasure. Unable to forget the experience, she vows to do whatever the masseuse commands in order to chase those sensations again