When a one man sideshow rolls into Granger, TX claiming to showcase "the fattest boy in the world," the lives of two small-town teens are changed forever in this touching coming-of-age tale based on the National Book Award-winning novel by Kimberly Willis Holt. Zachary Beaver (Sasha Joseph Neulinger) is a morbidly obese teen who travels from town to town with his best friend and business partner Paulie Rankin, earning money off of his unusual appearance. When curiosity gets the best of Granger kids Toby (Jonathan Lipnicki) and Cal (Cody Linley) and they decide to check out the show, the unlikely bond that forms between Zachary, Toby, and Cal marks the beginning of an unforgettable summer of fun, growth, and friendship.