He wanders the streets of Prague when he suddenly sees a "Cat rental company".
When he comes back the next day to return the cat, the company is gone and there's no evidence it ever existed.
Czechoslovak communist critics attacked the film on ideological basis.
First DVD release was by Second Run in 2013 on a disc with František Vláčil's The White Dove.
The restored version was released together with Case for a Rookie Hangman on DVD and Blu-ray on 26 April 2017.