The maid Adele gets a letter from his sister Ida. It is written in the letter that the party invited by Prince Orlowsky was invited. Adele wants to go to the patron Rosalinde to go to the party saying his aunt is very ill. However, Rosalinda can not settle. In the meantime, Rosalinda's old lover heard Alfred's voice outside her house, which serenades him.
Eisenstein, his lawyer comes home with Blind and is very angry. He was sentenced to eight days in prison for insulting a memorial. He will go to jail to take his evening punishment. However, Falke persuades him by saying that he can go to the party first. Eisenstein says farewell to his wife dramatically and leaves home. Rosalinda will let Adele.
Alfred came home to seduce Rosalinde. Unfortunately, the prison director, Frank, comes home to take Einsesntein to jail and thinks Alfred's husband is Rosalinde's. To avoid a scandal, she pretends to be Alfred Einsenstein and goes with Frank.
Partide, Prince Orlowsky, who suffers from burnout syndrome, is quite weary and wants everyone to drink with him. This party has actually arranged for Falke to take revenge on Einsenstein. Einsenstein joins the party with Marki Renard. His servant Adele is introduced to Einsenstein under the name of Olga. Einsenstein Adele, who has been drinking a lot, is like a reminiscence. But Adele denies the truth until the last and says it is an actor. The prison director Frank is introduced to Einsenstein as the Knight Chargrin.
In Falke's revenge game, Rosalinde invited the party as part of his plan. Rosalinde, whose face is masked, is presented as a Hungarian contest. The flabby Eisenstein can not recognize him and tries to seduce him. In this process, Rosalinde gets his famous pocket watch.