S.E.R. - Svoboda eto rai (1989) with English subtitles found on www.dvdbay.com is about young Sasha is brought into a state-run children's home because his mother died early and his father spends most of his life in prison. The conditions are like in a penal institution. Sasha tries several times to escape and to search for his father.
With subtitles on dvdbay.com
https://www.imdb.com/title/tt0098240/