Newcomer Cady Heron is introduced to the pinnacle of the social hierarchy by an exclusive clique of popular girls known as ‘The Plastics,’ led by the manipulative Regina George and her followers, Gretchen and Karen. However, Cady lands in hot water when she develops feelings for Regina’s former boyfriend, Aaron Samuels, making her a target for Regina’s wrath. With the assistance of her outsider friends, Janis and Damian, Cady embarks on a mission to dethrone the group’s dominant leader. Throughout this journey, she must figure out how to remain authentic while navigating the treacherous landscape of high school.