Baracs Pista, engineer at the construction site of a railway line near the Korláthy estate, falls in love with Rolla, a countess disguised as a peasant girl. The count is giving a party as he wants the railway line to go across his lands.
Karoline and her daughter Marlene do not know that their long-absent son and brother Franz has been killed in the war. Franz's soldier friend Alwin goes to tell them the news, but in the event he can't bring himself to tell them the truth.
George, Prince of Wales mingles with the crowd in Bowie Street in disguise under the pseudonym Bob. He falls in love with the poor Uncle Tom's daughter, Annie. But to save his business, the indebted Uncle Tom promised her to the usurer Plumpudding.
