A transfer student goes undercover as a cheerleader to expose the cruel cheerleader culture, only to find that her expose is linked to a series of attacks on cheerleaders by a mysterious assailant.

Autumn goes undercover as a cheerleader to report on the toxic culture of cheerleading for her high school newspaper. As the articles come out, cheerleaders start getting picked off one by one, as someone is determined to shut down the expose. Autumn must find the attacker before she herself is discovered and killed.