Beginning of the Great Patriotic War. Lieutenant Adi Sharipov, together with his platoon, cover the retreat of the regimental headquarters and remain surrounded, behind enemy lines. The enemy drives the squad into the swamp. Fear of the unknown, despondency and doubt haunt the fighters until they realize that waiting and inaction will destroy the squad faster than enemy bullets.

A long time ago, Nightingale the Robber managed to defeat Ilya Muromets by cunning. He rewrote history, appropriating to himself all the exploits and glory of the hero. Thanks to the elixir of immortality, the Nightingale has survived to this day. And now he wants to revive the dark god Veles, to whom he then sold his soul. Today only the family of our heroes knows this secret. The father of the heroes, Professor Kiselyov, manages to find Muromets in the north, in the ice of an underwater cave, where the last battle between the hero and the robber took place. Thanks to Kiselyov's development - the heart of steel - Muromets returns to our world. However, this feat costs the professor his life. Now his sons, Maksim and Egor, will have to not only stop the Nightingale, but also restore the honorable name of Ilya Muromets - in fights between giant robot warriors at the RoboArena.

18-year-old sniper Jamila, a graduate of a military weapons school, volunteers on the Kalinin Front in Belarus, as her lover is fighting on one of the war fronts. Jamila undergoes combat training and is fully trained in the process. He endures all hardships and struggles and fights valiantly, but is wounded and captured by the Germans. As events unfold, Jamila finds her lover, who turns out to be a triple agent working undercover for the Nazis. He rescues Jamila and sneaks her through the forest, where they are stopped by Belarusian partisans.

The war burst into the peaceful life of three friends suddenly, forever changing their destinies. Each of them went to the front, leaving the most valuable things at home in order to fight for this most valuable thing. Surprisingly, they are helped to survive in this fiery hell of battles with fascism, music. Taking musical instruments with them, friends play to maintain the morale of fellow soldiers, as well as to compose the leitmotif of Victory so desired by all.