Every child is an angel. But something happens in childhood, something terrible. And the angel suddenly becomes a fiend. Satan himself, faced with such an imp on the street, rushes to cross the road. What causes spoilage? Where is the point of no return? The author tells about a turn in the fate of little Adi Schicklgruber, an Austrian schoolboy, in whose life everything went awry one Sunday morning. That day, his hand, contrary to the voice of his heart and mind, wrote a squiggle in a school notebook – HITLER.