Hailey Harper has always felt invisible. Now she has to move to Hollywood and attend a new high school. While packing, she finds a journal belonging to her older sister, who is away at college. Called “How to Be a Hater,” it’s full of info Hailey can really use. Armed with the journal and her sister’s cool clothes, Hailey quickly makes friends with the popular girls—and just as quickly realizes they are mean. She finds new friends, girls deemed unacceptable by the popular crowd, and together they decide it’s time to dethrone the popular girls. After all, they deserve it, don’t they?