Theater props maker Karel Vajgant has a young wife, Magda, and two children, seven-year-old Pavlík and eleven-year-old Pepička. Magda is a caring mother, but she feels that her husband prioritizes work and his comfort. In a weak moment, Magda becomes unfaithful. Vajgant receives an anonymous letter that warns him of his wife's infidelity. His friend, the opportunist Tonda, advises him to throw away the letter and instead devote more time to Magda...

Zdeněk Štěpánek
Karel Vajgant

Jiřina Štěpničková
Magda

Nataša Tanská
Pepička
Miroslav Červený
Pavlík

Terezie Brzková
šatnářka

Jan Pivec
Tonda

František Kovářík
Zikmund

Míla Páčová
Holmová

František Roland
komisař

Jan W. Speerger
inspektor
Václav Pecián
strážník
Růžena Gottliebová
herečka

Darja Hajská
herečka
Vladimír Řepa
herec

Otto Rubík