Kevin never smiles at school, but he is different at home. He jumps up and down when his favorite football team scores a touchdown, and screams «CANNONBALL!» when he jumps into the swimming pool. But at school he feels that he isn't 'okay.' Other kids in his class are much quicker at putting their hands up and answering the teacher's questions, and Kevin feels that he will never catch up. One day, his reading teacher asks him to help out with the school store, and Kevin...