The film is inspired by the true-to-life story of the discovery of the long-lost “Opus 28” manuscript from Norwegian composer Johan Halvorsen, originally performed in 1909 by Canadian violinist Kathleen Parlow, to whom the piece was dedicated.Campbell portrays a student who seeks to complete her thesis on Parlow by organizing a public performance of “Opus 28” from Toronto to Oslo. The cast includes Dueñas, Melanie Scheiner, Eve Duranceau, Maxim Gaudette, Rosa-Johan Uddoh, and Eileen Davies.