Ten-year-old Zoe Elias, who longs to play the piano but must resign herself to learning the organ, instead, finds that her musicianship has a positive impact on her workaholic mother, her jittery father, and her school social life.
Mattie, a shy fifth-grader, wants to hide out at her new school by acting as apprentice to her Uncle Potluck, the custodian, but her plan falls apart when she summons the courage to speak about what matters most and finds a true friend.