Pavel was Monika Maron's grandfather. But she only remembers him in black and white, as he left his children behind in Berlin when he was deported to his native Poland, and afterwards perished in a concentration camp. As a grown-up with a son of her own, researching a documentary for German television, Monika discovers letters which her grandfather wrote to Monika's mother, Hella. Teasing her family's past out of the fog of oblivion and lies, one of Germany's greatest writers asks about the secrets families keep and about what becomes of the individual mind when the powers that be turn against it.