The November Revolution of 1918 in Germany, famine and social upheaval evoke a response from the young Soviet government in Russia. To provide food assistance, trains with bread are being formed. One of them, on the personal instructions of V.I. Lenin is accompanied by the young revolutionary Tatyana . On the way, she meets a former German prisoner of war, Kurt . A romantic relationship arises between them. The train with bread, despite all the difficulties, was delivered. In a clash with a detachment of counter-revolutionary German troops, Tatyana was wounded. She returns to Moscow, and Kurt goes to Berlin to continue the revolutionary struggle.

In 1929, the Chinese are preparing an attack on the CER, recruiting soldiers to their gang. Among them there is a resident of a lodging house Van. Having recovered after a sudden attack on a Soviet border village, the Red Army squad goes on the offensive. Wang is among the prisoners. Wang and another prisoner go on the run. But on the road between the fugitives there is a conflict and young Chinese Wang begins to realize who his true enemy is...

A third part of story about a Soviet spies trying to infiltrate German Intelligence center "Saturn" during and after the WWII.

Kazakh scientist and traveler, Chokan Valikhanov studied at St. Petersburg University and was well known in Russia. When sent to war against the Kazakhs, Valikhanov was forced to make a choice between Tzar and native land.

In September 1941, lieutenant Ilya Streltsov, who graduated from the flight school, was assigned to the fighter aviation regiment guarding the sky of Moscow. He meets in part the nurse Zoya, with whom he grew up in the same yard and with whom he has long been in love. During the first training flight on the "Seagull", lieutenant Streltsov shot down a German plane and received the nickname "Lucky." Streltsov is jealous of the squadron commander to nurse Zoya, believes that he is finding fault with him. For a whole month he is not allowed to fly sorties. In October 1941, lieutenant Streltsov made his first sortie, he shot down one plane and rams the second. For this battle, he is awarded the title Hero of the Soviet Union.

A first part of story about a Soviet spies trying to infiltrate German Intelligence center "Saturn" during and after the WWII.

Central Asia during the Civil War. The Jarkent battalion of the Red Army, located in the Verny (now Alma-Ata), receives an order from Frunze to go to the Fergana region to fight the Basmachi. A group of kulaks, with the support of local merchants and beys, incites the unconscious, wavering mass of the Red Army to revolt. The anti-Soviet agitation of counter-revolutionaries, demagogically exploiting the mood of war weariness, provokes an open mutiny in the battalion.