Mason Williams, a young piano prodigy under the strict guidance of his demanding grandmother, struggles with the pressures of performing and the grief of losing his parents. Haunted by memories and driven by his love for his distant sister, Elysia, Mason searches for meaning in his music. During a rare escape from his rigid routine, Mason meets Rosie, a spirited red-haired girl with a mysterious past. Their spontaneous adventure blossoms into an unlikely friendship, forcing Mason to confront his fears and rediscover his passion for art and music as he strives to find his own voice.