There has been a secret relationship between the nephew of the ordinate - Jan, and his older cousin Xymena. However, Jan falls in love with the foster daughter of the ordinate, the young Krystyna. The ordinate does not consent to marriage, because Krystyna is his illegitimate daughter, and thus Jan's cousin. But it turns out that Jan is not the son of the general's brother ...
The first Polish post-war comedy. Witek and Krysia, a married couple, move to Warsaw and have nowhere to stay. They rent a room in a house with many other lodgers. Witek dreams of their own house and draws a sketch of their future home, marking the place where his wife will sleep with the word "treasure". The other lodgers find the draft and a frantic search for the treasure begins.