Andula, an innocent Czech girl from a factory town, is desperately in search of love. She believes she's found it when she beds Milda, a charming young musician visiting from Prague. Milda, however, is only looking for a casual encounter, and leaves town assuming he'll never see Andula again. But when Andula doesn't hear from him, she packs up and heads to Prague, to the surprise of Milda and his parents.
In Nazi-occupied Czechoslovakia, a doctor-turned-warehouse employee reluctantly agrees to treat a gravely wounded political fugitive, putting himself and everyone living in his building complex in danger.
The future communist journalist Julius Fučík had a stimulating childhood and youth in a working-class environment, when his moral maturity was already showing. The authors of the film recall that the young Julek was a star of the suburban operetta scene, and in three episodes they depict him both in his early childhood and already at the gymnasium, when the outbreak of the World War shaped his determination.
