Fourteen-year-old Rupert Samuelson, aka "Fat Boy," just wants to fit in--or at least not stand out. But when you're a 6-foot-tall, 280-pound middle schooler, people tend to notice you for all the wrong reasons. A bully at school twists a simple act of kindness into a video that goes viral and turns Rupe into the butt of an ugly joke, and there's nowhere to hide. When Rupe's best friend, a tiny but spunky girl named Sam, stands up...