Lieutenant of the Russian Army Maxim Baranov has already managed to fight in "hot spots," and get wounded, and settle "in the rear," where he became interested in military-historical reconstruction out of boredom. But at the next field exit, an emergency happened - drunk to amazement with his associates, the lieutenant woke up in a trench under the fire of howitzers. And nearby were Russian soldiers in the uniform of the Russian Imperial Army. They enlightened Baranov, mistaking him for a shell-shocked officer, who are in the corps of General Samsonov, around East Prussia, the end of August 1914 - the beginning of the First World War. Having taken command of a handful of frightened and confused soldiers, Maxim begins what he was taught at the Margelov RVDU - a raid on German rear. Will the newly-minted lieutenant of the Empire be able to realize his crazy plan