[3] The film opens with Mäddy Killian (Caitlin Stasey) recording footage of her childhood friend Alexis (Felisha Cooper) as she prepares for the final days of school before summer break and for cheerleading practice.

Mäddy begins taking her revenge by convincing Tracy that Terry had cheated on her during the summer and even manages to successfully seduce her at a group gathering of cheerleaders and football players.

This greatly hurts Leena (who had been watching the gathering from afar) and angers Terry, who starts a fight, and bans the "dogs" (football players) from dating the "bitches" (cheerleaders).

During the day the cheerleaders pick off the football players one by one, either out of hunger or, in the case of Martha, out of anger when she realizes that her sister slept with her boyfriend, Manny (Leigh Parker), using her body.

While the girls were all initially willing to work together, their solidarity unravels due to the day's deaths and the discovery from Mäddy's video diaries that she had joined the squad out of revenge.

The only person who will listen is Leena and Mäddy tells her that she had been raped by Terry while attempting to film a memorial video for Alexis and that up until that point, she had not wanted revenge.

The website's critical consensus reads, "All Cheerleaders Die sets out to subvert horror tropes, but ends up falling victim to many of the same trashy cliches it's trying to mock.