Both have the name Jadzia, besides the name they are also connected by a tennis racket. Jędruszewska is a champion of tennis courts, Maliczówna is an extremely charismatic owner of a sports store. Meanwhile, there is a fierce battle between two competing Warsaw companies selling sports equipment. The convergence of names and misunderstandings cause that the representative of the rival sports shop Jan Oksza confuses Jada. He tries to get the tennis champion to play their company's racket, but Jan takes Maliczówna for the champion. In the meantime, he acts as a sculptor, his friend. Among the gags and numerous misunderstandings between Jadzia Maliczówna and Jan Oksza germinate the feeling that eventually connects the two feuding companies.

Poor musician Alojzy Kędziorek is in love with Sagankiewicz's daughter Renata, who is reciprocated, but her family wants to marry her off to the wealthy butcher Baleron. Hipek, Alojzy's friend, sells his song to the theater director. The song becomes a huge hit. Alojzy is mistakenly locked up in a newly opened psychiatric hospital. He manages to escape. He goes to the theater where his song is being sung. He receives thunderous applause and an order for new songs. Renata's family agrees to her marriage to Kędziorek.

Three provincial journeymen: a shoemaker - Szydełko, a tailor's - Igiełka, and a carpenter - Wiórek, come to Warsaw, where they end up in the "Pod Apartuszkiem" inn. Soon they unexpectedly win a million zlotys in the lottery. They divide it equally and everyone goes their own way, but they agree on "Under the Apron" next year. After a year, they all meet again. The first two lost all their money, and the third settled down and married Lucia, the daughter of a carpenter.

The main character is a very superstitious man. On the 13th day of the month, after a very bad start to the day, he reads the newspaper and learns that he won the lottery. The unexpected happiness causing him to make a scene at work. Soon it turns out that there was an error in the newspaper and he did not win.....

The action takes place in a fictional country. One day the head of the Ministry of Public Morality is Susan, whose greatest misfortune is to have a twin sister. Twin sister is actress and cabaret revue, which performance and behavior discredits the minister.

A wanted Pole arrives in Tsarist Russia and assumes the identity of a Police Chief.

Magda, the butcher's daughter, against the wishes of her father becomes an actress in the theater "Golden Mask". Kicked out of the house she meets Count Xavier Runickie and soon they get married. Unfortunately, the marriage did not bring her happiness...

Two apartment house dwellers, although unrelated, share the same name. One is an older man with an appreciation for and love of classical music, while the other is a younger man addicted to swing music. The niece of the older man arrives for a visit and gets into the wrong apartment. Complications arise.

Two neighbours with similar names, Paweł and Gaweł, meet a violinist girl Violetta who pretends to be a child. When Paweł learns she's not a child anymore, he falls in love with her. And vice versa.

Staying at a fancy resort, Wladyslawa Majewska is mistaken as a male guest when she is dressed in a skiing outfit. The manager offers her, thinking she is a he, a job as a dancer to entertain the unescorted ladies who frequent the hotel. Wladyslawa goes along with the offer, and keeps the old ladies dancing but falls in love with the best-looking male guest in the process, who thinks she is a man.