The day has come when Sonya Grushina, nicknamed Tail, became a first-grader! Of course, at first she was a little uneasy. But as soon as she realized how many funny adventures awaited her, how many friends she would find at school, then not a trace remained of her fears! Firstly, the road to school itself is full of magic. Secondly, at school they teach not only to read, write and count, but also to discover their talents. And funny incidents seem to pour into the backpack!