The picture is set in an educational institution located in one of the American cities. Here, school teachers constantly come up with interesting entertainment for their students. One day, one of the teachers gives Chase, Donny and Kristal the task of penetrating a long-abandoned prison in order to spend one night there. Young people have to go to an ominous place around which scary stories circulate now and then. Three decades ago, a massacre took place in prison, after which the authorities decided to close the colony. Schoolchildren will meet face to face with a terrible monster who for many years here feels like at home.