The story begins with the young girl Katya arranging a nanny for Maxim Dremov’s family - the general education of his nephew Ilya, who remained an orphan. Relations within the family do not work out - Maxim is unable to find a common language with his nephew, Maxim's wife. Problems arise in their common business. After another scandal at the dacha, Dremovy find the body of the killed Irina.

The film Maria's House talks about people with intellectual and mental disabilities. Children and youth who would otherwise be totally deprived of any future, live a normal life here with their everyday joys and sorrows. The village inhabitants have nowhere to hurry, they enjoy doing work they are capable of doing, they selflessly help each other, and they are always glad to welcome new guests. Happiness dwells here