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.