When fifteen-year-old Reed Brennan wins a scholarship to Easton Academy, she quickly discovers that the Billings Girls are the most beautiful, intelligent, and powerful group on campus, so Reed tries to become a member. But when she arrives on the beautiful, tradition-steeped campus of Easton, everyone is just a bit more sophisticated, a bit more gorgeous, and a lot wealthier than she ever thought possible. Reed realizes that even though she as been accepted to Easton, Easton has not accepted her she feels like she's on the outside, looking in.