I've been trying to find this dark fantasy movie or miniseries for years and it's driving me crazy. I watched it dubbed on television around the late 2000s or early 2010s, but the production didn't feel like a big Hollywood movie. it definitely had that slightly raw, obscure European indie/TV movie feel to it. I was pretty young when I saw it, so it felt really long (though it might have been split into parts). I think it had a similar vibe to the labyrinth or the 10th kingdom.
Here is everything I remember about the plot: It starts out in a gritty, dark forest village or woods where a normal-looking traveler shows up. To the viewer, he gives off a slightly creepy vibe. Because the main family is extremely poor, the mother insists on letting him take and marry her 16-or-something-year-old daughter. The girl has fair skin, long dark hair, and wears normal peasant clothes. I also remember there’s no father in the family and this girl has 6 or something little siblings.
Now this is getting a little less chronological because it’s so vivid in my head but basically the husband takes her back to his massive, bizarre house. It's filled with weird, mischievous entities and inhabitants who are secretly working on his side to keep her trapped and stop her from escaping.
She ends up having a secret lover at some point who is her age who seems to be glowing or subtly supernatural. Maybe a far of some sort. To meet him, she has to fall asleep to enter this glowing dream-limbo state where they meet at a waterfall and drink water from each other's hands (or something like that) But the mischievous entities in the house keep sabotaging her by releasing something into the air, like a smoke, spell, or gas, so she can't fall asleep, while her lover is waiting for her and she can't reach him.
At some point, she somehow escapes and goes back home to her family, and either through a time-dilation or a psychological illusion set up by the house to make her guilty and wallow in regret, she finds that her younger siblings have all grown old and withered away while she stayed her age. And I think they keep asking her reasons why and how could she leave them.
Anyway, if any of this sounds familiar please let me know. I know for sure I didn’t dream this up because i watched it multiple times and remembered some details as i was writing this. Unfortunately it was dubbed so I don’t even know which language it was.