Anatoly Ruchyov is quite a talented guy. One day he decides to enter a prestigious Soviet university — the institute of international relations. But, alas, he overestimates his strength and doesn't achieve his goal. This saddens the young man a little, but he doesn't even think to lower his hands. Anatoly decides to go to military service and reach heights in this area. At first, it is a little lost, but, after the time has elapsed, it is mastered, because there is nowhere to go. Slowly he turns into a real exemplary fighter.
Based on the novel by Natan Rybak “Soldiers Without Uniforms”. Director of a research institute engaged in research in the field of nuclear physics, Maxim Nerchin is testing a new research method. And although the method did not justify itself, Nerchin with unreasonable confidence began to build a more powerful installation... He uses almost all the institute's funds to create it and is so sure of success that he loudly announced it at a foreign symposium, thereby causing special attention to his institute on the part of those American circles who are primarily interested in creating weapons that bring death and destruction...
Three boys live in the same house and go to the same school in Kiev. After one of the boys gets in trouble, their friendship is put to a serious test for the first time in their lives.
