Mark Seltzer thought he had enough aggravation studying for his Bar Mitzvah and losing his best friend. It's the last straw when his mother becomes the new manager of his Little League baseball team and drags his older brother, Spencer, along as the coach. No one knows what to expect with a mother for a manager, but soon Mark and the other players are surprised to see how much they're improving due to coach Spencer's strategy and helpful hints from "Mother Bagel." It looks like nothing can stop them from becoming champs—until Mark hears some startling news!