In 1943, Carson Shaw travels to Chicago to try out for the All-American Girls Professional Baseball League. There, she meets other women who also dream of playing pro baseball and makes connections that open up her world. Rockford local Max Chapman also comes to the tryouts but is turned away. With the support of her best friend Clance, she must forge a new path to pursue her dream.

Max and Clance prepare for Clance’s housewarming party. But Max has her eye on the prize, and asks Gary for an unusual favor. Meanwhile, the Peaches meet their coach, Dove Porter, but stumble through the league's Charm School. Carson struggles to find how to react to her new connection with Greta.

During the church revival, Max faces a tough choice in order to find a way to play ball, while Clance wrestles with her own secret. In last place under Dove’s leadership, the Peaches must band together to improve their game. Carson and Greta try to be friends, while Lupe struggles with her loyalty to Dove.

The Peaches go on the road and are forced to work together in a whole new way. Clance faces a new life, including a new job at the screw factory. Max finally gets the opportunity she’s been waiting for.

Max and Carson come together to help with each other’s game and respective fears. Max reconnects with her estranged family. Carson isn’t sure how to lead the team if she can’t win over Lupe. Greta faces her past.

Max and Bertie grow closer, and Bertie gives Max something precious. Clance is inspired to take her comics in a new direction. Lady Luck seems to be on the Peaches’ side on the field, but Carson’s concerns over Lupe’s loyalty leads to an unexpected revelation.

Max gets another shot in a way she never expected, and her life changes in more ways than one. A shift in the line-up threatens everything The Peaches’ have worked for. Carson struggles to keep the team together, while a surprise visitor has her reevaluating everything. Lupe and Esti find common ground.

In the Season One finale, the Peaches season comes to an emotional conclusion, while Carson and Greta struggle with what’s next. Max reckons with an old chapter before opening a new one.