熟女の館、「オバン娘倶楽部」では、今日も元気な大トロ熟女三人が売春にはげんでいる。元銀座ホステスの静江は年下の男に惚れられ、元赤坂芸者の美恵子は義理の息子との肉体関係に悩み、敬子は嫉妬深い夫をもてあましている。それぞれに問題を抱える女たちだが、商売は順調にはかどっていた。ところが、ある日事務所にチンピラが言いがかりをつけに来た。窮地に立った女たちは……。

Yoko, an office worker, has opened a new sex business called "Female Body Delivery Service." She prepares women according to the preferences of the executives of the company she works for and delivers them to their homes in cardboard boxes. The lustful executives order women without dreaming that Yoko has set them up. In fact, Yoko has been recording their behavior and using it to plot a plan to take over the company's Hong Kong branch...