The film shows the daily life of an architecture studio, where a young student comes to work on his dissertation.

The action takes place in 1920 during the Civil War. Crimea on the eve of complete liberation from the White Guards. Returning from patrol, the four brave “elusive” knocked down an airplane. In the field bag of the captured pilot, they find a secret report, which speaks of the existence of defensive fortifications around the coastal city, which the Reds have yet to take. Young heroes get the task to get a map of fortifications and go to the city...

Danka's and Ksanka's childhood in the village brutally ends when their father is killed by a White Guard officer in front of their eyes. Seeking revenge, they join forces with Valerka, an intellectual from big city, and the gipsy Yashka, but before they can get close to their enemy they have to help their village and the advancing Red Army.

The main character of the film is an outstanding physicist who was invited to Armenia from Russia to head a lab. He comes across many troubles in his homeland, but nevertheless finds his true love there.

A boy named Volka discovers an ancient vessel on the bottom of a river. When he opens it, a genie emerges from there. He calls himself Hassan Abdurrahman ibn Khottab, or in Russian style Khottabych. Grateful Khottabych is ready to fulfill any of Volka's wishes. But it appears that Volka should use the powers of the genie carefully, for they can have undesirable results.

A Soviet spy is tasked with disrupting the negotiations between Karl Wolff and Allen Dulles taking place in Switzerland, aimed at forging a separate peace between Germany and the Western Allies.