Ava Mason, the new girl at Ridgeview Academy, finds herself thrust into the world of the Crown Clique, an elite group of mean girls led by Blair Evans, with Lexi Clarke and Madison Tate by her side. Blair immediately takes an interest in Ava, pulling her into their world of parties, power games, and social dominance. Ava is subjected to an initiation at a party , where she's dared to spill a drink on Sasha Bennett, one of Blair's rivals, cementing her place in the group but earning an enemy in Sasha.
As Ava tries to navigate through the toxic environment, she learns about the Burn Book, a secret blog where the clique spreads malicious gossip to maintain control over the school. Caught between her desire to fit in and the guilt of hurting others, Ava finds herself tangled in increasingly dangerous situations. Over time, Blair's grip on the group weakens as Lexi plots against her, leading her a dramatic public humiliation for Blair. Lexi takes over the clique, leaving Blair isolated and defeated.
However, Blair returns with surprising maturity, offering Ava a chance to escape the cycle of manipulation. Ava begins to reflect on her choices and realizes she no longer wants to play the game of social power. By the end of the school year, she learns that authenticity and freedom are more valuable than popularity, At graduation, she walks away from cliques and crowns, ready to write her own story without the fear of judgment.