A first episode in the trilogy about the Russian partisan's resistance against the Nazi occupation of Russia during WWII. The film is set in August of 1941, when the Nazi forces invaded and occupied the European part of Russia. Major Mlynsky is in charge of the special group of partisans. His group is absorbing other small groups of Russian soldiers, who managed to survive from the attacks of the overwhelming Nazi forces. The Nazi Armies are advancing to Moscow. Major Mlynsky is organizing the Russian partisan's resistance against the Nazis, behind the enemy lines.

A final episode in the trilogy about the Russian partisan's resistance during WWII. The film is set in 1944, when Russian partisans are making progress in their fighting against the Nazi occupation of Russia, Poland and Czechoslovakia. Lt. Colonel Mlynsky is now in charge of an international clandestine operation. He is the commander of the special group of partisan-fighters. Mlynsky is organizing the Russian, Polish and Czechoslovakian partisans to join forces for an attack behind the enemy lines.

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.