St Trinian's, the infamous school for 'young ladies,' is in trouble. Despite being an old flame of its Headmistress (in a top-of-his-class comic performance by RUPERT EVERETT), the new Education Minister (COLIN FIRTH from MAMMA MIA!) is shaking things up and the school is facing financial ruin. But the rambunctious students of St Trinian's aren't going to give up without a fight.