When Abby and her Diablos teammates are forbidden from doing any risky cheer stunts by their overly cautious school, they fear that they will be laughed out of the upcoming regional cheer competition. The squad comes up with a plan to choreograph a winning routine in secret, at a nearby abandoned school. Once at the school to rehearse, one by one the cheerleaders begin to disappear. By the time they realize they're locked inside with a killer, it may be too late for any of them to survive. They must use their skills to fight off a killer who gives them only one choice: Cheer or die!