Mel Jensen, an African-American boy, is talented enough to be on the basketball team's starting lineup, but two of the white players want to keep him in the background.
Voted captain, Jimmie declares himself pitcher. But Paul is a better pitcher. After Paul leaves to pitch for another team, Jimmie's team starts losing.
Mike's telepathic dog Harry is able to send him secret signals about the opposing players on the baseball field, but Mike's weak pitching arm requires them to find another plan to save the game.
Sandy is drawn unknowingly into a shoplifting incident, but his community service involves his beloved baseball and he meets people who help him finally put the past behind him.