In 1957, inspired by what she is learning about civil rights and armed with knowledge of female ball players, ten-year-old Katy Gordon fights to be allowed to play Little League baseball.
Mudders' catcher Rudy Calhoun is having a bad season behind the plate until, at a yard sale, he buys a used catcher's mask that greatly improves his playing.
Determined to play in the Little League World Series, twelve-year-old Josh struggles to concentrate on his game and be the team's leader while also trying to cope with his parents' impending divorce.