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.
Basia and her aunt live in peace far away from war efforts. One day that peace is shattered when a concentration camp prisoner, a communist activist seeks refuge in their house.
Through the fate of the boy - whose hunger drives from his home village , and who receives a severe school of life , going through different social environments in order to become conscious , revolutionary activist - creators show a realistic panorama of conflicts in pre-WWII Poland.