A second episode in the trilogy about the partisans fighting against the Nazis during the WWII on the territory of Russia. Film is set in the winter of 1943-1944. Major Mlynsky is the commander of the partisan group, that is fighting behind the Nazi's front-lines. Major Mlynsky is invited to the Chief of Staff, where he is promoted to Lt.-Colonel for his courage. Now Mlynsky is in charge of the new partisan's operation.