Szymon Kosowski, a handsome and athletic doctor of one of the private clinics in Warsaw, who is the object of sighs among patients and female staff, especially nurses Pati, notices a beautiful and witty corporate employee and roller lover - Basia, which flows into one of the city's fountains. Soon they both fall in love with each other at first sight. Unfortunately, a series of unlucky coincidences causes them to lose contact. From then on, they do everything to find each other. Meanwhile, Basia catches the eye of playboy, the son of wealthy parents, a friend from primary school - Leon Glec, who received an ultimatum from his parents: he will either get married quickly or be disinherited.
