Three demobilized "Afghans" arrive in one of the cities of Central Asia. And already at the airport, a fight begins between them and the local neo-fascist organization, rampaging through the city with impunity...

Fifth-graders Ulugbeg and Mirvali academic success did not differ. And when the teacher asked Ulugbek to give the letter to his father, the boy thought it best not to carry out this assignment. He also helped the first-grader Umida to correct one for four in her diary. However, thinking about their actions, Ulugbek and Mirvali change their attitude to study and decide to re-educate lazy Umida.

The events in the film revolve around the children's railway. Young railway workers have to confront the hooligan actions of a group of teenagers. One of them, Kamil, detained after another attack on an empty railway station, gets acquainted with her boss, Tahir Usmanovich, and young railway workers. Having met with their sympathy, a good attitude towards himself, Camil overestimated his actions and brought his friends to the children's railway.