This forgotten detective story starring Svatopluk Beneš focuses on those ills of the past regime that were allowed to be glossed over - mainly the theft of socialist-owned property and illegal business. Criminals here come across illegal machinations in the hospitality industry, foreign guests are even offered sexual services... But the youth-friendly story unfolds lazily, unimaginatively, emphasizing an excess of dully delivered dialogue that replaces action and suspense.

Czechoslovak counter-espionage intercepts a coded message from the West German secret service ordering death for an unknown person on Czech territory.

The unhappy and desperate director of the Šúpala Zoo tries to sell a sick bear to a foreign tourist for shooting, because the purchase of other animals for the ZOO is only possible with anti-socialist currency, i.e. hard currency, and so the administrator does everything possible and impossible just to get them...