Former intelligence officer Yuri Ognev guesses through whose fault he became a prisoner and is forced to serve his sentence. He plans and carries out a daring escape from the camp in such a way that no one will look for him. He cherishes plans to get even with the offender. Making his way through the polar tundra, Ognev stumbles upon the “echo of war” - a lost Soviet plane that never delivered gold to the Americans to pay for Lend-Lease. He decides to take the gold and use it for revenge, and, of course, to live on as he wants, for his own pleasure...