Three women in their thirties live in the summer with their young sons in the dacha. Svetlana, Tatiana and Ira are third cousins, and they raise their children alone. The women quarrel, finding out who owns half of the dacha, whose son is the offender and whose son is the offended... Svetlana and Tatiana live at the dacha for free, but the ceiling leaks on their half. Ira rents a room from Fedorovna, the owner of the other half of the dacha, but she is not allowed to use the toilet belonging to her sisters.
