The sophisticated thief of art Robert "Cuma" Cuminski is released on probation from the local prison by the corrupt Doctor Wiaderny to organize the theft of the famous Leonardo Da Vinci painting "Lady with Ermine" for the dealer Gruby. Three years ago, Cuma was accidentally arrested by the snoopy detective Wilk after a successful heist in the house of the collector Lehman, but he has not ratted his comrade Julian.
Atop a Polish mountain, a gruff detective with unusual methods investigates the bizarre murder of an unpopular professor.
After many controversies Poland's biggest military intelligence and counter-intelligence agency (commonly known as WSI) is liquidated, but its place is immediately taken by a new, secret military organization. Forced to deal with obscure cases, Its three members soon begin to doubt both their mission and the people they work for.
