A group of the bourgeois head for a prominent figure's birthday party. As they venture through the woods and have a picnic, they're suddenly surrounded by some suspicious strangers.

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.

Eight-year old Dominique has a name-day. Her parents have a gift for her, but only give it to her in the evening, when everybody has come home from work. Then she darts out, where her girlfriends are already waiting for her.

In the Prague Old Town and the adjoining streets there is always plenty of life. Housewives shop, beggars arouse sympathy, the Salvation Army tries to put the godless on the road to salvation by hymns and sermons, and Ferdys Pistora hunts in the pockets of his fellow men and isn't even put off by the presence of an officer of the law. Ferdys sets off to burgle villa of the banker Rosenstok, but a fire breaks out in the house and Ferdys ends up saving the banker's two small children. For this he is celebrated as a hero and gets a place as an errand boy with the Rosenstoks. At home he is visited by representatives of the Salvation Army, Captain Kosterka and Terezka, with whom Ferdys instantly falls in love.