As a copycat killer named after movie villain Cinderhella stalks the student body at Grizzly Lake High School, a group of co-eds band together to survive while serving detention.As a copycat killer named after movie villain Cinderhella stalks the student body at Grizzly Lake High School, a group of co-eds band together to survive while serving detention.As a copycat killer named after movie villain Cinderhella stalks the student body at Grizzly Lake High School, a group of co-eds band together to survive while serving detention.