When Ms Langdon finds out that one of the schoolboys has been spying on the girls in the shower she decides to meter out an appropriately harsh punishment. She concludes that the only way to show the lad the error of his ways is to use him as the subject for her biology class. But this is to be no ordinary lesson. The angry girls are out for revenge and they intend to exact their own form of punishment that will leave him thoroughly humiliated and wishing he'd never set eyes on them