On the outskirts of the provincial town, Yevdokim and Yevdokiya live, raising foster children. Yevdokim works at a factory, Yevdokiya is a housewife. The family seems to be safe and happy: the only trouble is that Yevdokiya cannot forget the love of her youth. This Yevdokim cannot stand and offers Yevdokiya freedom, while he will remain with the children. But all these contradictions are drowned in mutual love for children and for each other.

During the twenty years school reunion classmates suddenly learn that one of them - Nadezhda Kruglova - is a proud mother of ten children.

The Newton family live in their comfortable home, but there seems to something missing. This "hole" is filled by a small puppy, who walks into their home and their lives. Beethoven, as he is named, grows into a giant of a dog... a St Bernard. Doctor Varnick, the local vet has a secret and horrible sideline, which requires lots of dogs for experiments. Beethoven is on the bad doctor's list.

Based on novel of the same name by Mariya Khalfina. In Pavel Olevantsev’s family suddenly comes news that his daughter by another woman was orphaned. Pavel did not know about the existence of the girl, nor could his wife know about it... It is not easy to decide to take the child to his house. But it will be much more difficult to endear the girl to them, to return her the joy of childhood and the belief that she is not alone...

Pavel's mother hates his fiancee. When Pavel serves in the Army she writes him that Nastya is no longer faithful to him. Pavel decides not to return to his native town. But many years later he returns to his fathers funeral and finds out that Nastya died sometime ago. She left three kids orphans and her elder daughter is also a daughter of Pavel.