These are letters whose fire still scorches the son’s hand decades after they were written on paper. For decades, the letters from the war and post-war period lay unread in the cupboard. When Peter Schneider finally decides to have his mother’s letters, written in Sütterlin, transcribed, he uncovers an incredible story - an open love triangle. An intense investigation begins. From his mother’s letters and his own memories, Peter Schneider reconstructs his childhood and paints a multifaceted portrait of a fascinating woman who followed her passions without regard for the conventions of her time.