A 4-partmade-for-television feature film. Two young physicists, engaged in the problems of atmospheric electricity and the study of thunderstorm phenomena, both disciples of Professor Dankevich, a talented, straightforward, incorruptible man, unwavering in his principles. Dankevich endeavored to instill this uncompromising fight for honesty in science to the young scientists. And one of them, Sergey Krylov, lives up to the professor's expectations by continuing his work...

There is a seven-year war, Russian soldiers are forced to fight for the interests of France and Austria against Prussia. The midshipmen continue to selflessly serve the Motherland. One is on an expedition, the other is at court, and the third is sent to Venice to hand over a jewelry box. In fact, there is a message in the box, on which the future fate of Europe and Russia depends!

A high-crime investigator goes to the scene where corruption and crime have taken on new and sophisticated forms in the mountainous southern region of the country. Under the guise of a random train robbery, individual cars loaded with waste from metallurgical production - and essentially enriched gold ore - are stolen. The kidnappers have all the means at their disposal. They mercilessly kill those who try to stop them from stealing tons of gold...

The film is about difficult-to-educate kids and those who are involved in their upbringing.