After moving to Northfield with her family in 1984, Elyse Nebbit faces the challenge of finding her place in a new school, one dominated by social status and Friday night football. When Elyse's effortlessly beautiful older sister Jayne starts dating Charlie Bingley, the captain of the school football team, Elyse finds herself curious about Charlie's popular and brooding best friend, Billy Fitz. Elyse's body insecurities eventually complicate her relationship with Billy, leaving Jayne and Elyse's exceedingly blunt friend, Lottie, to step in and help Elyse accept herself for who she is, pant size and all.