When German knights invade Russia, Prince Alexander Nevsky must rally his people to resist the formidable force. After the Teutonic soldiers take over an eastern Russian city, Alexander stages his stand at Novgorod, where a major battle is fought on the ice of frozen Lake Chudskoe. While Alexander leads his outnumbered troops, two of their number, Vasili and Gavrilo, begin a contest of bravery to win the hand of a local maiden.
Pioneer Seryozha Emelyanov, who had never been to the steppe before, comes with his father, a chauffeur, for the harvest. The boy's preconceived ideas about farm life being terribly boring, change into love for nature.
A group of Russian partisans hiding within a remote forest attempt to destroy a nearby German airfield, all the while assisting a downed French pilot who happens to fall madly in love with a local girl.
The young composer Mikhail Glinka performs his new work at a soiree at earl Vielgorsky's house. However, the public is accustomed to Western music, and reacts coldly to the creation of the composer. This makes him very sad, but soon he decides to go learn the art of music in Italy. After returning from Italy, he is full of desire to write national Russian opera. Vasily Zhukovsky proposes a subject: a feat of Ivan Susanin. Tsar Nicholas I change the name of the opera to A Life for the Tsar and assigns a librettist - Baron Rosen. Acquaintance with the future co-author shocked Glinka: Rosen speaks Russian with a noticeable German accent. The premiere was successful, but Glinka was still not entirely happy with the libretto: "False words were written by Rosen". When Nicholas I learned that Ruslan and Lyudmila was written on Pushkin's subject, he sees it as sedition. The bitter experience of the composer brighten his supporters.