Based on a popular stage musical comedy by Károly Bakonyi and Andor Gábor, the film tells the story of a young engineer who tries to construct a railway in his hometown, helped by the Count's daughter, Marcsa (Lili Berky).
A young woman living in the country is told by her dying father that he is really her uncle and raised her as his own when her mother was sent to prison for killing her husband. Alone and not knowing her mother’s fate, Betty travels to the city in search of work. There she finds employment as a maid in the house of a wealthy couple and their dashing son, Nick, with whom she falls in love...
