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.
During a salesmen meeting, the General Manager of the company asks his staff to share erotic and funny incidents during their door-to-door sales promotions.
Corinna witnesses how three guys chase and shoot a man in front of her lonesome house. As only witness, they force her to come with them and care for the guy's wound. But she manages to flee shortly after and takes Blondi to a doctor. He tells her his story, how he used to smuggle drugs, but one day fled with a suitcase full of money. Corinna inexplicably falls in love with him and decides to accompany him on his further flight. But the villains are close behind them.