Stepan Guslyakov's Harem (1990)

The end of the 80s, a small village. A neighbor girl fell in love with Stepan, who has a happy family (beloved wife and children of different ages). He likes her, but he doesn't take her feelings seriously. However, at this time, Stepan's wife fell seriously and almost hopelessly ill and ended up in the city hospital for a long time. He, realizing that he cannot cope alone, is forced to ask the girl in love with him for help - looking after the children and the household. Her feelings for him remain the same, in the end he gives up and they begin to live together. But his wife, meanwhile, finds the strength to overcome the disease and slowly recovers. When she returns home, the second wife is already is expecting a child. Oddly enough, this does not cause any protest from the legal wife. And after the birth of the child, they all continue to live as one family.