A group of teenagers in the UK go truant to a nearby forest where there are German bunkers. Suddenly they are attacked by a hooded figure. During the escape only one of the teenagers manages to survive, the others are killed by a mysterious figure that looks like a monk. Soon it turns out that in the place of the bunkers there was a medieval monastery inhabited by monks, who were burned down by the local people after being accused of witchcraft. The teens investigate the case but mysterious ghosts will not let them.
