In a Tokyo-based massage parlor, it's revealed that favored clients are seduced one after another through lesbian encounters. Here, a sophisticated married woman's dormant submissive desires awaken through skillful lesbian treatments. Under the hands of a dominant esthetician, the once-arrogant "Madam Matsuoka" gradually loses control. She is tormented with a strapon, her pussy dripping vulgar juices as pleasure overwhelms her.