A high school girl named Donna Keppel (Snow) is traumatized after witnessing her former teacher, Richard Fenton (Schaech), brutally murder her entire family after he had become dangerously obsessed with her. Three years later, as Donna gets ready for her senior prom, Fenton escapes from custody, follows her to the hotel hosting the prom, and kills anybody who gets in the way of his reunion with Donna.
