Poland 1946. Militia looks for commander of anticommunist partisans called Grom (Thunder). It quickly comes out that militiamen have to discover a rat in their group.
Krzysztof Kołbasiuk
Marian
Henryk Talar
Kołdak
Wiesław Gołas
Listwa
Tomasz Zaliwski
Jeżewski
Andrzej Precigs
Wertep
Karol Strasburger
Jazgarz
Włodzimierz Gołaszewski
Grom
Laura Łącz
Irena
Zbigniew Buczkowski
Oleś
Marek Frąckowiak
Siarka
Andrzej Krasicki
Irena's father
Leon Niemczyk
prisoner
