Genghis Khan's hordes invade Kazakh steppes. His son goes hunting for onagers (wild donkeys). He manages to strike down a foal, but its mother kills him in revenge. No one dares to inform Genghis Khan about the tragic event, because the Mongolian Emperor has promised to fill up with lead the throat of one, who would announce bad news to him. Only a Kazakh musician summons up courage to tell the truth to the formidable ruler with the help of dombra ...