: It is based on the novel Fair in Sokolniki by Friedrich Neznansky. The film captures the tense, paranoid atmosphere of the late Soviet era, where every investigative step could be a detective's last.

: Named after Kazimir Malevich’s iconic painting, it chronicles the history of "unofficial" avant-garde art in the USSR from the post-Stalin era to the late 1980s.

In the , it represents the "black hole" of state secrets and corruption.

: The film documents the suppression of artists who worked "underground," famously highlighting Nikita Khrushchev’s 1962 denunciation of modern art and the "Bulldozer Exhibition" of 1974.