Martin is a shy 11-year-old, an outsider who has no friends. To make matters worse, Martin is continually harassed by his mean gym teacher who embarrasses and humiliates him in front of the entire class. Even though his father, who works as a technical advisor in the school, passes out invitations to Martin's birthday party, no classmates show up. It's just Martin and his parents and the big empty room. But all this is about to change…