In “Warming Up,” Bert, a gifted small-town pitcher, secures a spot with the major league’s Green Sox. While impressing on the field, he wins the heart of Mary Post, the team owner’s daughter. This catches the attention and jealousy of McRae, the league’s top home-run hitter, leading to intense rivalry. Their competition culminates at the World Series, merging personal and professional stakes into one epic duel.

As Bert’s skill dazzles fans, he grapples with a belief that he’s cursed. Mary stands as his pillar of strength amidst these doubts. With the series’ final game approaching, tensions between Bert and McRae peak. A single pitch holds the power to define their futures.