Letters of happiness
Счастье в конверте (original)
Starring Fedor Leshchev, Yefim Kamenetsky, Tatyana Samarina, Evgeniya Glotova, Zalim Mirzoev, Viktor Kuklin, Era Ziganshina, Varvara Gusinskaya, Evgeny Kapitonov, Alexandr Poryvaev
It's a drama and family movie, and has a rating of 7.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.