One day in the miserable life of a female factory worker and single mother of four children. One of her sons - ridiculed by his peers - leaves home and gets into trouble.

Maria Klejdysz
as Zofia Stańczakowa

Andrzej Jurczak
as Adam Stańczak

Władysław Woźnik
as Gołębiowski

Ewa Stojowska
as Zofia's Friend

Wiktor Nanowski
as Stańczak

Wiktor Sadecki
as Józef Kowalski

Elżbieta Kalinowska
as Maria Gołębiowska

Marian Jastrzębski
as Tram driver

Kazimierz Witkiewicz
as Journalist

Józef Pieracki
as Headmaster