A couple's adulterous affair leads to an unexpected pregnancy. They leave their spouses to begin a new life together, but their daughter Katelyn is born with a birth defect: only one fully developed arm. Although her dad believes Katelyn's condition is God’s punishment for the affair, Katelyn defies all odds with an incredible gift for softball.

When a bestselling lesbian Christmas author is paralyzed by writer's block after her mother's passing, she returns to her hometown searching for inspiration-and finds it in the form of a charming single mom who owns the local bookstore, forcing her to choose between the life she built and the love she never saw coming.