Sage is a lonely, unsociable girl, her only friend is an elderly teacher Joseph Weber. One day Joseph asks a girl... to kill him! He reveals to her a monstrous secret - in his youth he served in the SS. Sage's grandmother, Minka, went through the horrors of Auschwitz. She secretly collected photographs of prisoners, and wrote down her novel on the backs. She survived only because a German officer wanted to know its continuation...