When Charlie Fightmaster gets the call-up to the Major Leagues, all of his dreams are about to come true. But word that his little sister, Pippin, is struggling changes everything.

Charlie returns to his childhood home, joins the amateur baseball team his father coaches, and begins helping Pippin with her dream of making the best baseball bat ever made.

Charlie meets Bud Crawford, a reclusive local legend who reluctantly teaches him the three secrets to finding perfect harmony at the plate. But when Charlie’s life begins to collapse, culminating in a terrible accident to Pippin that he caused, Charlie must learn to use Bud’s secrets to find perfect harmony not only on the baseball field, but in the rest of his life as well.