Edi
Starring Henryk Gołębiewski, Jacek Braciak, Jacek Lenartowicz, Grzegorz Stelmaszewski, Aleksandra Kisio, Tomasz Jarosz, Małgorzata Flegel-Siedler, Dominik Bąk, Maria Maj
It's a drama movie, and has a rating of 7.4 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Germany.