Spooky supernatural teenage horror. On Halloween night in London, five young schoolchildren are inspired by their teacher to seek out and witness pagan rituals and witchcraft in action. Drawn to a spot of 13 ancient oak trees known as 'The Coven', the girls decide to camp out in the area where people have previously mysteriously disappeared and pagans are still rumoured to meet. What at first starts out as hopeful, naive fun later becomes more sinister as the girls discover they are not alone amongst the closed off trees. The group worryingly begin to suspect they may be part of an upcoming ritual when they are pursued through the woods by a malevolent motorbiker. But what exactly does he want with them?