Guests at a clubhouse talk about their erotic experiences.

At the girls' school, the young teacher requests the young women to prepare a lecture on the topic "The Preliminaries", for next week, before the year's end. The girls would contact him if they had any problems with their work. Thus a series of sexual experiments start, which will involve the whole class, and even the teacher.

The members of a wedding party play a game whereby each describes the events of their own wedding night.

Pretty young girls get involved in humorous sexual situations.