Welcome to Riddarkullen's boarding school for girls. Here, they hold fast to morality and ethics, as long as they can. Because they have problems with some of the students, who are more interested in mischief and sexual knowledge (and in practicing this knowledge) than serious studies. At the same time, Riddarkullen risks having its state grants withdrawn, and the school board is going to send a harsh inspector there. So it's a matter of desperately hiding traces of the loose life...