Jealous of her vapidly "good" sister's popularity, poisonous Viktoria doses pretty Klara's tea with a slow-acting fatal substance. As the latter grows hysterically weak, the former finds success increasingly compromised by guilt, blackmail, and the pesky need to kill others lest she be exposed.
Iva Janžurová
as Klára / Viktorie
Josef Abrhám
as Marek
Nina Divíšková
as Otýlie
Petr Čepek
as Glenar
Josef Somr
as opilec
Jiří Kodet
as Bessant
Jiří Lír
as důstojník
Ivan Palúch
as Karel
Zuzana Fišárková
as Mercedes
Marie Drahokoupilová
as Alžběta
Jana Sedlmajerová
as Eva
Karel Augusta
as Dr. Mayer
