Painter Horace visits his friend, a former criminalist, and is intrigued by two strange women who live in the house opposite. The old sisters have lived together their entire lives, quarreling, doing things to each other on purpose, but they cannot be without each other. And then one day both sisters are found dead in their locked apartment. They poisoned themselves with gas. Officially, the case is closed as a suicide. But Horace doesn't think so... Even though his criminalist friend discourages him, he continues his investigation. Were the women murdered? And is Janza involved, or their friend Pesný, who was supposed to live in their apartment?
Cast

Jiří Bartoška
malíř Horác

Rudolf Hrušínský
kriminalista Vašátko

Petr Čepek
chiromant Janza

Miroslav Macháček
kamelot František Pesný

Slávka Budínová
Miroslava Vojínová

Jiřina Třebická
Slávka Vojínová

Tomáš Töpfer
kriminalista
Vítězslav Jirsák
kriminalista

Miloš Vávra
Unknown

Blažena Holišová
Unknown
Věra Vlčková
Unknown
Václav Stýblo
Unknown

Vlastimil Bedrna
Unknown

Věra Koktová
Unknown
Marcela Martínková
Unknown

Ludmila Roubíková
Unknown
Crew
Václav Luks
Dramaturgy

Dušan Klein
Director

Václav Šašek
Screenplay
Hana Prošková
Short Story
Jiří Šebelka
Editor
Jiří Fišer
Editor
Jiří Friedrich
Editor
Jindřich Novotný
Director of Photography
Kateřina Housková
First Assistant Director
Michael Hoffmann
Second Assistant Director
Václav Malý
Camera Operator
Petr Vaněček
Camera Operator
Miloslav Borovanský
Camera Operator
Jan Matiášek
Camera Operator
Ivan Rybák
Camera Operator
Marie Franková
Costume Design
Jiřina Kozlová
Makeup & Hair
Zdeněk Stropek
Sound

Zdeněk Marat
Original Music Composer
Jiří Jamník
Set Decoration
Petr Jamník
Set Decoration
Milan Starý
Set Designer
Václav Kubík
Production Manager