While searching in the weeds for the first ball he ever hit for a home run, ten-year old Billy Lawson finds instead a battered old baseball half-buried in the mud far beyond the outfield fence. Soon Billy realizes the ball is magic, that it talks out loud and can help him become a better player and person. With a mysterious connection to one of the most historic Major League players ever, the ball--which Billy has named "Buddy''-- also gives guidance to a pair of Billy's troubled teammates...