This film is based on a short story by Soviet popular children's writer Vitaly Bianki. It's a touchable cartoon about surviving of a little field mouse. While watching the film (or rather reading the book), you can learn some new about life of mice (personally, i didn't know that they make nests). The interesting fact about the film (especially for non-Russian speakers) is that there's no words in it, only sounds of nature and music. Music... The score by Vladimir Martynov is terrific and, in my opinion, sounds unusual for composer from the USSR. Well, it's a beautiful and, what is important, instructive story, which inculcates love of nature to children. The only small minus for me is that there are some moments in the book that are missed in the film.