Her first day at South Glen South High School is miserable. Josie reverts to the old geek persona that ruined her first high school career. She also has an unfortunate run-in with three obnoxious popular girls, Kirsten, Gibby and Kristin, and the school's most attractive and popular student, Guy Perkins. Josie loses hope but is reassured when a kind-hearted nerd named Aldys befriends her. Aldys, who loathes Guy and his gang, invites Josie to join The Denominators, a group of intelligent students.