About the book: year / April 1904. The war with Japan begins to take an unfavorable turn for Russia - the battleship Petropavlovsk died along with Admiral Makarov, 18 days later the Russian detachment of General Zasulich was defeated in a battle on the Yalu River. Japanese troops are going to land on the Kwantung Peninsula and capture the fortified Jinzhou Isthmus, this “gate” to Port Arthur, exactly the same as Perekop is for Sevastopol. On their way is the Russian detachment of General Fok, who should be called the “evil genius” of defense - and he will give the order to retreat without any need. But an experiment conducted in the distant future disrupted the natural course of events…