A gang of white slavers lure beautiful young women into prostitution by staging beauty contests in which the "prize" is a Hollywood contract. The "winners" are then drugged and sold to international sex traffickers

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.