Celebrated author Rudolf Herter is in Vienna to read from his masterpiece, The Invention of Love, when in a TV interview he speaks of his desire to write about evil. He is later contacted by an elderly couple who believe he should hear their shocking story. As servants at the Berghof, Hitler's retreat during the war, they looked after Eva Braun and consequently became guardians of a shattering secret and unwilling participants in a terrible crime. Burdened by his new knowledge, Herter must decide what to do with it...