May 1945. On the outskirts of Prague, ordinary people meet Soviet soldiers-liberators with tears of joy in their eyes. In the early days of the lull, someone sadly recalls a pre-war life; someone unexpectedly meets his love; someone is returning from enemy dungeons looking hopefully into the future; and someone, having moved from a tank into a Czech tram, warmly recalls his craft as a car driver... These days, all those who survived the Great War fire swear an oath to keep peace on Earth forever, honoring the memory of those who gave their lives for simple human happiness.
At the end of the First World War, Nikola Shuhai and his friend from the army desert. On the way home, to the village of Kolochava, they both find refuge with baby Jaga. Jaga mixes them a drink to protect them from the deadly bullets. The bachelors must promise to marry her daughters in exchange for a drink, or they will be punished. Nikola finds his home village in poverty. He stands against the powerful and the rich, and they turn the gendarmes against him. Nikola hides from them in the woods, where he will remain even after the end of the war, because nothing has changed for the villagers. Out of poverty and hopelessness, other men join Nikola and together they raid the wealthy. Nikola distributes the obtained booty to the poor and needy, who see him as their protector and hero.
A village shop owner is convinced by his children to move to Prague, where they say he'll be able to enjoy a fine retirement in a modern furnished apartment. Bored by life in Prague with nothing to do, the old man takes to helping a young widow in her stationery shop.
Attorney František Uher is known for his patriotic mindset and active assistance in disputes between the Czechs and the Austrian justice system. One of his clients is the poet Šulc, who, while staying with Uhry, discovers that the lawyer's wife Anna is flirting with Uhry's cousin Hojer. When Anna does not respond to Šulc's warning, the poet draws attention to Anna's relationship with Uhra. Uher wants to know the truth, so he returns early from a business trip and actually catches Anna cheating. Disappointment brings him to the "Batalion" pub in Old Prague, where Šulc also used to go some time ago. Here, Uher becomes a mentor to the poorest, but gradually falls into alcoholism. He once again finds strength and stands on the side of justice when he accuses the police in court of murdering poor Lojzík, who wanted to marry the unfortunate waitress from "Battalion" Mimi. After appearing in court, Uher is arrested and "Battalion" is closed. After his release, Uher becomes an organist...
Postman Brabec is a welcome guest of the revue theatre for his sense of humor, and he brings his director Holt letters from female admirers every day. Holt's fans include Brabec's sister Anny. The girl would like to join the theatre, but for the time being works as a maid for the actress Velden. A new revue is being rehearsed, the name of the author is secret. Veldenová will return the role just before the premiere because she doesn't like it. The quick-witted Brabec introduces the director to his sister, who knows all the parts by heart.