Pharmacy trainee Władzio is a shy young man with a good heart, in love with lovely Loda.

The director of the Warsaw operetta has problems with putting together a team. He cares very much about acquiring the star of the stage - Jadwiga Janowska. However, she is currently in Paris with her husband, diplomat Henryk de Fontana. It turns out that Ambassador Rossi falls in love with her. Jadwiga goes to Warsaw, where in her apartment her friend Apolonia trains a young adept Wanda to play on stage.

A gambler faces deportation when he gets mixed up with murder.

Jan Winkler borrows 1,000 zł from a respected professor in exchange for introducing young women to dubious “scientific” experiments. He uses the money to buy a nightclub and falls for prosecutor Alicja Horn.

Lieutenant Niko’s family insists he marry a chosen fiancée, but he falls for a beautiful baroness and travels to meet “his betrothed” disguised as his orderly, who impersonates him, only to discover that the baroness is in fact the intended bride. Meanwhile, the baroness and her maid swap identities in turn, leading to a cascade of mistaken identities and a lighthearted resolution when true matches are revealed.

Living only with her elderly father, Krystyna runs the household and works as a modest clerk. However, her fate takes a turn. The girl gets a job at a company, and one of the clients, Jan Merlecki, wins her heart. Things quickly become complicated, though. An anonymous phone call to her beloved's parents, followed by their intervention to prevent the young couple from marrying, prompts Krystyna to make a dramatic decision.

An eager inventor, Fredek, develops a “telefonowizor” combining audio and video calls but neglects his fiancée Irma in the process. Public demonstrations inadvertently expose private, embarrassing moments, alienating buyers and provoking conflicts, turning his revolutionary device into a fiasco that disrupts rather than improves people’s lives.