I never write reviews, but the 1 star reviews left for this film prompted me to do so (especially since most users that left one created a profile 1-3 weeks ago).
First I will address what most people seems to be unhappy about - 1. the way it is filmed/poor directing; 2. the lack of plot; 3. poor acting/ not enough dialog.
1. Directing - I understand why some people would think this is not well directed - camera sometimes focuses on a detail from the scene, composition is not traditional. Its just not what we are used to. But when something is different it does not mean it is bad. The director was trying to create an atmosphere and she succeeded, at least worked for me. You could say the directing is a bit artsy and not very traditional, but again, not bad. Think Mr.Robot frame composition - you feel like something is off, but it is intentional, it is not bad directing.
2. Plot - this is a character driven film, so don't expect plot twists, checkpoints, rewards or any kind of traditional narrative at all. We are following the character's journey and yes, there is no mystery to be solved, there is no miraculous salvation. Rumena was a real person and we know what happened to her. This film will not distract you from your everyday life with a convoluted story involving aliens - it will corner you and make you think (unless you're too busy looking at your phone).
3. Acting/Dialog - There is very little dialog, which I think is a nod to one of Bulgaria's classics, Kozijat rog (1972). As far as I remember that movie had less than 100 lines and it didn't need more. Everything was left to the emotions portrayed non-verbally. This movie is the same in a lot of aspects. The director is probably a fan of the rule "show, don't tell". This way you can actually enjoy all the little nuances in the acting, which you would have missed if there was too much blabbering. I really do not understand people that say acting was bad in the movie - to me it was very genuine and raw.
Now that I've addressed that, let's move on.
Something that hasn't been mentioned yet is that this film is surprisingly funny at times. It has that dry, intelligent humour that needs good comedic timing and a lot of people in the theater were chuckling at times (me included). It was not overwhelming thought, it blended really well with the film and was not distracting.
Of course I don't think this movie is perfect, sometimes it is too artsy in directing and camera work and this can be distracting. Music choices were not always the best (music was still beautiful overall), there was some repetition, probably related to budget restrictions but I LOVED the singing scenes.
Lastly, saying this as a woman, I felt that the movie focused a little too much on "Men hurt women". I truly believe that society as a whole is responsible for the sufferings of marginalized groups, not men in particular (or any other privileged group). There are plenty of women that actually are supporting some very bad practices and stereotyping in a way that hurts both men and women (yes, the patriarchy). To keep this short, the key is in balance, not "Women are better but men are in their way".
Overall I really recommend this movie if you like a good drama/biopic/historical drama. If you are a Fast and Furious kind of person, well, there's plenty for you on the market.
