A cat from Jupiter and vertebrates. Remez A.

Masha Ilyina goes to the sanatorium for treatment, not suspecting that he will be at the time when her mother is only five years old, the country is called the USSR, and the whole world lives calmly without computers and smartphones. The chances of returning to return every day, unexpected obstacles arise again and again on the track of the path again and again. But is it worth it to rush back to the future when real friends were found in the past?