At Kuba's wedding an unknown woman comes up to him and accuses him of cheating on her. This causes Kuba's soon-to-be wife, Majka, to leave him. It turns out that the woman, Lola, confused Kuba with his boyfriend, famous guitarist Johnny, so Kuba embarks on a journey to find him and prove his innocence.
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.....
A young locksmith, Jerzy, builds an airplane. By chance, he meets the Brazilian millionaire Tomasz Kotlica and his daughter Janina. Witold Siemacki, an aviator, stands in the way of Jerzy's career and happiness.
