The small M-2 is inhabited by: Tatko, his daughters Krysia and Dusia, and Krysia's husband, Miecio. Tatko, a pensioner, is the creator of the house rules. A dictator who can bear no opposition, arouses respect from the environment, although perhaps not entirely. Unexpectedly, due to Dusia, the population of the cramped M-2 is doubling.