A competitive cheer squad takes their practice to an abandoned high school on Halloween weekend, hoping to perfect their routines in secret. Their intense training session quickly turns into a fight for survival when an unknown killer begins hunting them down one by one. Led by Abby, the remaining squad members must uncover the identity of their assailant before they all become victims. This installment cleverly blends the high-energy world of cheerleading with classic slasher horror and comedic twists.