The "Merciless" squadron, wading through the blood and death of the civil war, is waging a brutal fight against the counter-revolution. In open battles with the White Guard, in the fight against the Reds who betrayed the revolutionary idea, with looters and other enemies of all stripes, the life of the squadron commander Semenov passes, who believes that the truth is the same for everyone and justice should be clear to everyone. He makes no distinction between friends and foes, ordering the execution of his brother who was caught stealing a bag of flour, and his commissar killed his own father in battle. All this is being accomplished for the sake of revolutionary ideals and the Bright Future, which will one day reign on earth... But by chance and thanks to the achievements of science, Semenov, hanged by his enemies, is transported to our days and plunges into the very Bright Future for which he fought. But will he like it? And will he retain his principles and beliefs? In the author's edition.