Twelve-year-old Josh looks forward to facing a true rival in the Baseball Hall of Fame tournament, but first he and his friends Jaden and Benji put themselves at great risk trying to expose the truth about a conspiracy to bribe the head umpire.

Josh's life has just fallen apart. His father will no longer be coaching the travel baseball team and is moving to Florida, forcing his mom and little sister to move into a small apartment on the wrong side of town. To make matters worse, the new coach of the travel team is an unforgiving drill sergeant. But then Benji tells Josh of a home-run derby in which the winner gets a brand-new house. All Josh has to do to qualify is hit twenty home runs during...