It is the 1990s, and one group of schoolgirls in Scotland cannot believe their good fortune. It would appear that their choir has been selected for a prestigious competition in Edinburgh. Eventually, though, it becomes obvious that their trip isn't going to be as focused on music as one might think. Drinking and partying quickly take precedence during the journey, and suddenly it seems as if all bets are off. These Catholic girls rage against the machine as they decide to do whatever they want.