Tras cometer un robo, una banda de atracadores trata de huir a Francia. Con el fin de evitar el control de la Guardia Civil, toman un camino cortado que los deja aislados en un pueblo casi desierto, que en pocas horas quedará inundado con motivo de la inauguración del pantano de Sau.
Yvette is the daughter of a courtesan who serves men of wealth and status. She is unaware of how her mother makes money and why they are always in the presence of princes, dukes and barons. Only when Yvette goes away on a holiday she realizes that the Banker Saval is engaging her mother in such activities, she suddenly feels dirty.
The violin virtuoso Ferdinand Lohner is lonely and depressed after the death of his wife. But then he gets to know the much younger Irene and forgets all about his dead wife, marrying the young tart soon after. Irene moves into the house in the mountains, where Ferdinand, his son Heinz and his former mother-in-law Mrs. Leuthoff live. The bitter Mrs. Leuthoff makes life difficult for Irene, since she had no way of preventing Ferdinand from re-marrying after her daughter bit the dust. When Ferdinand conveniently goes out on tour once again, Irene has to sit at home with the bitter woman. One day, Irene’s cousin Gustl comes on a visit and Mrs. Leuthoff takes the opportunity to “accidentally” let slip to Ferdinand, that his current wife is a whore. As if living with your current mother-in-law isn’t enough to deal with!
The story is one of the classic operetta stories with a young princess destined to marry a king whom her mother tries to enforce while the young woman tries to escape her fate.
