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.

Professor Karas is widely known as enthusiastic propagator of the motto "Morality Above All Else". He guides his students as well as his own family to live a morally decent life. One day he has an unexpected visit. It's his illegitimate daughter Vera, who is proof of his thoughtless youth. Mr. Karas know that she can ruin his image, thus he decides to keep her a secret and asks her to leave. Instead of leaving she takes a position of a governess in his own family without letting him know. Mr. Karas realizes that he must reveal the truth sooner or later, but he doesn't have enough courage to do so. As he postpones it, he is more and more scared to come to his own home.

At the end of the war, the old train driver Matys saves his beloved locomotive Líza from depth charges. However, the locomotive is damaged and he is injured. At a critical moment, he stands in for his son-in-law, also a train driver, and thus prevents a train accident. Despite this, he is sent into retirement. To show what the "iron old man" can do, he reconstructs Líza with a group of apprentices...

A morally questionable lord comes to the aid of a working class man who is to be executed for speaking out about thieving rich scoundrels sticking it to the poor.

The bickering of envious mistresses, the criminal intentions of fraudsters and the love of two young people are at the center of events, in the middle of which unfolds the fate of the city executioner Jiří, who longs to break free from his destiny and become a proper burgher. He is not heard, but he manages to expose the iniquities and their culprits, reunites a hard-pressed couple in love and his undeniable merits for the city and eventually bring him luck.

Student Jarek Pšenička worries teachers and parents in this Czech comedy. He is in his second year of sixth form and is facing another re-examination. His sister Věra is the exact opposite of her brother: she is a model student. But she also cannot avoid trouble - she falls hopelessly in love with Jarek's home tutor, a candidate for professorship, Stáni Mařík...

When Vilem appears in the road with an unconscious young woman, it disturbs the peaceful life of three generations of the Balvínova family.

The wealthy factory owner Osten has achieved his position thanks to his energy and diligence. However, he has one weakness - he cannot admit that he too must grow old one day. What scares him most is the thought of becoming a grandfather. To prevent this, he is willing to become a rival in love with his own son. One day, Jiří has ​​had enough of his father's actions and decides to leave his house and his comfortable life. He even changes his name and starts working in a competing factory as an ordinary worker to prove to his father that he too is capable of working his way up from scratch. That is when Jiří meets the energetic seamstress Tonička, who is studying in the evenings to become an office worker. The young people are happy together, but the factory owner Osten comes between them. He offers Tonička a position as a secretary and is ready to win her over...

When the handsome parish priest takes on a single mother with a child, he has no idea what kind of malicious gossip he will be exposed to. But he is determined to take care of his brother's girlfriend, who left for America for a long time, not knowing that he had become a father, despite all the difficulties...