Musician David "Saba" Wisnia always believed that he survived the horrors of Auschwitz by entertaining the Nazi guards with his beautiful singing voice. When his curious grandson, Avi, suspects there's more to the story, the pair embark on a journey that leads them into the mystery of Saba's past. How Saba Kept Singing tells a story about faith, family and the power of discovery, proving love can grow and take hold in even the grimmest of places.