When Waldemar Palm married an old woman as a young man to give her estranged son a surname he didn't expect his good deed to come back to haunt him. When his in-laws from his second marriage show up on the same day that his adult step-son turns up unannounced he finds himself getting more and more wrapped up in his lies.
A convent organist and music teacher escorts a young woman who has been boarding there, home to be married, but romantic complications ensue.
The plot takes place on a mansion owned by the new widow Birgitta von Carping (Berit Carlberg). Sten Stensson Steen (Nils Poppe) has rented a room in the manor. He accidentally arrives a month early and the carousel is in full swing.
Bank manager Pankh has a habit of promoting the men who let him spend some time with their wives. Pelle Finkel doesn't want to subject his own wife to this so he decides to hire the prostitute Mimmi to pose as his wife.
