A new young teacher Tatyana Ivanovna takes a problematic 5th"B" class and wins with the score 4:0.
The story revolves around two young schoolboy pioneers, Petya Vasechkin and Vasya Petrov, as they navigate their attempts at self-discovery and their shared affection for their friend, Masha Startseva.
The children's humorous film magazine "Yeralash" is a one-of-a-kind work of cinematography that ironically approaches the solution of everyday problems, focusing on the views and needs of modern society, allowing different generations to achieve mutual understanding.