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.
Director: Juraj Herz
Iva Janžurová
Klára / Viktorie
Josef Abrhám
Marek
Nina Divíšková
Otýlie
Petr Čepek
Glenar
Josef Somr
opilec
Jiří Kodet
Bessant

Jiří Lír
důstojník
Ivan Palúch
Karel
1962