The shrill and tragic story about an event that involved Count Lev Nikolaevich Tolstoy. In an infantry regiment of the military based in the Tula region an offence occurs. In this regiment, the capital’s lieutenant Grigory Kolokoltsev — inspired by progressive ideas — does his service. A military tribunal and execution await the soldier charged with the offence. Kolokoltsev asks Count Tolstoy for help — and he decides to protect the innocent man. The pointed history about the complexity of choice and fidelity to one’s ideals is based on real events.

A prototype of a new cutting edge tank is being taken on a secret mission to Moscow, to Comrade Stalin. Soon the cross-country run turns into a ruthless race. Followed by Nazis, the tanks' team defeats their pursuers and proves the great ability and vast superiority of the machine that is about to become a legendary T-34.