The book is written in the genre of fantastic alternative history. The consciousness of the most talented White Guard general Slashchev, after his death, moves into the brain of the younger brother of the Emperor of the Russian Empire Alexander 2, Grand Duke Mikhail Nikolaevich. The sharing of consciousness occurs shortly after the lost Crimean War. Possessing information about future innovations in military science and technology, and about the unenviable fate of the Romanov dynasty, Slashchev subjugates Mikhail and in his body begins to correct the history of Russia. Mikhail - Slashchev convinces Emperor Alexander II to begin radical reforms to avoid the collapse of the Romanov dynasty. Slashchev - Mikhail organizes the introduction of technical innovations in industry, army and navy. Creates powerful artillery, rearms the army and navy, builds railways, 10 years later, Russia inflicts a crushing defeat on the Ottoman Empire in a lightning war, captures Istanbul - Constantinople and the Black Sea straits.