This new year, the beloved characters of Yolki continue to do silly things and hope for a miracle. Borya must somehow restore his family happiness, and to do so, he is prepared to steal a penguin from his best friend Zhenya.

December 1941. Leningrad. The story centers on the main character, who, together with other employees, saves zoo animals from shelling. The people themselves are on the brink of life and death, but they do not abandon the hippopotamus named Krasavitsa.