The owner of the Minnesota Twins baseball team passes away of natural causes and in his will, leaves his grandson, Billy Heywood, ownership of the team. Billy, despite being only 12 years old, is a devotee of the sport, knows the twins inside out, and believes he has what it takes to make the Twins a championship-winning team, so he appoints himself the new manager. But will the proud arrogant players of the team be willing to take orders and tactics from a 12 year-old boy? In an attempt to get the players efforts into the game, he dedicates the season to his grandfather, and vows to win the championship with the Minnesota Twins. Is this enough to receive the trust and acceptance of the players, fans and critics of the sport?