In Voronezh in Lizyukova Street lives a kitten Vasily, who constantly has to flee from domestic dogs, and therefore he dreams of becoming such a beast that everyone would be afraid of.

One day in the life of a simple Soviet family. Spouses Stepanov's on that day decided to terminate the marriage, for which they need to appear in the people's court. This day is not the most successful for them. They leave their little daughter Dunya to the brother of Nadya Stepanova — Nikita. But for him this is also not a very successful day: recording on the radio, an exam at a theater institute, and even a quarrel with his girlfriend...

When Misha the Bear was chosen as the mascot for the Olympic Games 1980, Baba-yaga (the witch) sets out to fight and become the mascot herself.