The apartment in the old house is occupied by a large family: a couple with three daughters, one of whom lives here with her husband and child. The young people want their own apartment, while the mother, who is indiscriminately directing the whole family, wants to exchange the current apartment for a larger one. At the moment when the son-in-law wants to show the housing committee of the cooperative the apartment in the worst possible condition, the mother frantically cleans up the artificial mess, because at the same time more people are coming in to exchange it. The confusion reaches its peak...