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...

Discovery of gold by a group of tough people in the far Northeast of Russia.

Siberia, 1930s. Ten-year-old Ilka runs away from home to escape his stepmother and joins a team of loggers rafting wood along the Mana River. Here, the young hero learns the dangerous trade and finds friends.

The heroine of the film Karagoz Alimbayeva comes from the village, where she worked as a zoo technician for five years, to the city to enter the veterinary institute. Having brilliantly passed the profile subjects, Karagoz gets a three on the last physics exam and, having failed to get one point, must return to the village.