Sam and Charlie are best friends and baseball fanatics in Pittsburgh, PA, in the year 1972. Puerto Rican superstar Roberto Clemente is the hero of the Pittsburgh Pirates, having led the team to victory after years of losing. When a mysterious fly ball transforms Sam into a Little League Superstar pitcher, he is invited onto the most prestigious Little League team in town, while Charlie is rejected for being a girl. Charlie forms her own team with the less athletic kids and her new friend Tommy, a boy with a disability. Sam and Charlie ultimately discover what it truly means to be a “hero” when their final game coincides with Clemente’s fateful decision to deliver supplies to earthquake victims in Nicaragua.