Případ medvědí jeskyně.

Jiří Bartoška, ​​in the role of police captain Hála, investigates the smuggling of hard drugs through a protected area in South Moravia. How does the military unit deployed in the border area and the strange behavior of animals around a nearby bear cave fit into the whole situation? This is answered by a television detective film made for a Brno studio in 1988 by director Rudolf Tesáček.