Among the Gruber family, the rumor spreads like wildfire that their wealthy American relative, Menyhért Gruber, is visiting Hungary with his daughter, Mary. Various plans are devised to exploit the rich relative. The boldest of them all is the plan of Bálint Koltay, who directly pursues Mary's hand. However, the young ones fall in love with each other so deeply that Bálint stands by Mary even when the "wealthy" Gruber informs him that he's bankrupt. At this point, the only thing left to arrange is for Bálint, who poses as a landowner, to actually present a noble castle to his future father-in-law.

You can get anywhere in a tailcoat. Viktor Norton, a young man imprisoned by mistake, also knows this. In Viktor’s tailcoat, he can easily get to the Excelsior Hotel, where he will meet the newly wealthy Dupont couple and their daughter Marie.

Marika is adopted by Orbán Sándor after his wife dies. However, when she reaches the age of 19, he discovers she is more attractive than any of the women he knows. There are a few complications before Marika realizes that her foster father, Orbán, will make a better husband than any of the young men that are courting her.

In a small town in the countryside, the election of the president of the restaurant trade association is under way. The two rivals, Dénes Kövi, owner of the elegant Korona restaurant, and Antal Bálint, owner of the staid Makkhetes restaurant, are putting all their eggs in the basket for the title. Taking advantage of this situation, Pál Balázs, who has become the manager of his crippled painter friend, has a portrait commissioned with Dénes Kövi.