This story is about the events of the beginning of the century, the circus, in which the favorite of the troupe Alesha grew up. After the mother - acrobat Maria-Louise died, his childhood was over. Revolutionary events influenced the fate of a small circus - and the boy was left alone. But when in his life appeared Bolshevik Stepan Ratushny, Alyosha again began to perform in the circus.

Based on a true story about Soviet spy Lev Manevich. He lives in Italy and operates in the Nazi Germany and Austria. Manevich, who is posing as a businessman, collects information about the latest German airplanes made by Messerschmitt for Luftwaffe. On his spying trip to Berlin, Manevich noticed that a stranger was following him. Now his life is in danger, but he must do something to complete his mission...

After Tulyev's arrest, Soviet counterintelligence continues the radio game with the enemy, sending encryptions signed "Nadezhda" to the Western intelligence center. KGB officer Sinitsyn, friendly towards Tulyev, tries to persuade him to take his side — he arranges a meeting to a scout with Mariya and her son, whom he has never seen before. In addition, Mikhail learns that his father didn't die of his own death, but was most likely killed. Meanwhile, a young Soviet scientist Borkov, who spoke at an international conference about his innovative work, finds himself in the spotlight of the Western security services.

Polish schoolboy Janek, and Russian girl Tanya are traveling by a plane which ended up in the hands of a gang of drug dealers headed by ex Nazi criminal Henrich Scharf.