It’s about a man that caged his little daughter in a room in woods and told her that monsters are out there and he should keep her safe. when the kid grows up her father injects her drugs to delay her puberty . after some months the girl gets sick and the father shot himself in the head . after that a cop adopts the girl and keeps her in her house …
that was all I remember
tell me If you remember the name
it was in 2018 or 2017 I guess
thanks
Wildling (2018)
https://www.imdb.com/title/tt5085924/