A grumpy, loner musician is in desperate need of inspiration when he stumbles upon a magical leather box in his studio that promises the most beautiful song he's ever heard, should he choose to open it. The catch? It comes with a warning; a curse that takes away his most treasured sense: his hearing. In a frantic pursuit to regain what he has lost; he forms an unusual friendship that ultimately helps him pass on the only thing that can break the curse: Joy.