Teenage mystery thriller starring Judd Nelson. Forced to serve detention for eight hours on a stormy Saturday afternoon, six teenagers begin to be terrorised in their school. After being imprisoned in the library, strange events begin to occur to the students which seemingly start to eliminate them one by one. Despite not believing the school is haunted, the pupils can't hide from the eerie reality that is engulfing them. Beginning with an innocent prank which results in an accidental death and escalating to nail gun attacks and axe wielding, it seems the students cannot escape from the evil spirits preying on them from within the school.