A violent inmate with a musical gift... her emotionally isolated piano teacher... a lesson in humanity they will both never forget.

It was 60 years ago that Traude KrÜger began teaching music at a woman's prison. Now, on her search for possible students, she meets Jenny.Jenny is withdrawn, extremely violent and a convicted murderer. At their first meeting the stern and conservative teacher rejects the fiercely rebellious inmate outright, provoking Jenny into an explosive tantrum. However, as vicious as Jenny is outwardly, the one-time musical prodigy can play the piano with astonishing beauty. Compelled to see Jenny's musical girl flower, KrÜger convinces the director to allow the fiery inmate to train for a renowned public music competition...Jenny, whose only other alternative is solitary confinement, grudgingly enters into a shaky truce with the strong-willed piano teacher. For KrÜger, it isn't just the music. She's also hauntingly reminded of a student she once had...