 Professor Bomwitz invents and aphrodisiac and travels to a small town with a brothel to try it out. At the same time Armand (Ole Søltoft) is also going there to deal with the sex mad schoolgirls taught by Sigrid Horne Rasmussen. These girls are sent into a cellar for punishment but have a secret escape route which comes out opposite the brothel. When Armand arrives he is sent to the brothel by mistake. The prof meets some of the girls and puts some powder into a glass of fruit juice. Anne Birch Warburg drinks it and leaps on him, chases him into the countryside and has sex. Later, however, the prof finds he is impotent. He has bumped into Armand and their bags have been mixed up. This leads to a series of erotic events.