Summer of 1942. A fierce battle begins near Stalingrad, the outcome of which will decide the fate of the whole world... Twenty-year-old sergeant Lubomir Zukh, who has not yet smelled gunpowder, left his unit in the frontline zone to say goodbye to his girlfriend.​ He was out of the unit for only three hours!​ But according to the laws of wartime, he is a deserter. And the punishment for this is one thing — execution.​ ​The sentence is too harsh, and everyone understands that. Will the flywheel of the military machine stop, will there be an order for pardon?