Shurik is trying to bring Tsar Ivan the Terrible home with the help of a time machine. But the VPN on which the miracle machine runs constantly breaks down and moves the would-be inventor and the tsar to different countries and times.
Moscow, 1902. The famous director Konstantin Stanislavsky, in search of inspiration for staging a new play, decides to get acquainted with the life of the city "bottom". He turns to Vladimir Gilyarovsky, a recognized expert on the Moscow slums, for help.