Ray Kinsella is an Iowa farmer who hears a mysterious voice telling him to turn his cornfield into a baseball diamond. He does, but the voice's directions don't stop -- even after the spirits of deceased ballplayers turn up to play.

Roger is a foster child whose irresponsible father promises to get his act together when Roger's favourite baseball team, the California Angels, wins the pennant. The problem is that the Angels are in last place, so Roger prays for help to turn the team around. Sure enough, his prayers are answered in the form of angel Al.