Kate is a shy girl who recently moved towns. She meets a group of girls who are all dating the popular boy John Tucker. The girls want Kate to pretend to date John to get revenge on him for dating multiple girls. Kate conforms to the group's wishes in order to fit in, acting in ways that go against her true personality. By the end, she realizes conforming isn't worth hurting others and decides to be true to herself. The movie is a good example of how conformity can change someone's behavior and negatively impact them emotionally.