I did not enjoy this movie. I was very intrigued by the description which makes the movie sound like something it just wasn't. I wouldn't recommend watching this unless you are a fan of the actors and you're willing to support them through tedious plots and bad narratives.
This movie fails in my opinion, not by being fundamentally a bad concept but somewhere in post-production something went wrong. The editing of this movie is tragic but I can't even blame the editor because the plot is complicated and the movie is trying to be so many different things at once that it fails to truly master any of its concepts perfectly. The cuts are jumpy, it goes from one scene to another without any logical connection or flow. It's just like separate paragraphs cut and pasted together. This makes the movie disjointed and messy. Mainly the issue is that the movie was trying to be an arthouse aesthetic movie, palace intrigue movie, erotic obsession movie, a commentary on power and corruption, and a revenge plot all at once and each of these would have made a good movie if they had just focused on one thing and centered the plot around that but no, they had to do it all at once and it made no sense. There were also some very questionable cinematography choices, and I wouldn't bring something like this up if they weren't so bizarre that it actually affected my enjoyment of the story. Some scenes have gorgeous framing and very symmetrical setting but then sometimes the camera is on the wrong person during conversations and it just really ruined the emotional impact of the scene. (Like when the king accuses his mother of attempting to kill the king and when he does this, we don't see her reaction and there's just this awkward silence before she starts talking and it's so wrong because I'm pretty sure the actress was acting her heart out for the reaction they didn't show!)
Obviously, the script had major issues. As I said, it had too many complicated plotlines that all get the bare minimum effort put into them and so they're all so cliche and disjointed. This also means that the characters don't get enough space to be developed. Especially the two mains; THE concubine and her former lover. Both are such cardboard characters with so little time put in actually developing any personality or clear motivation for them that they are as unknown and one-dimensional at the start as they are at the end. Also, the lover was barely in the movie, he was so pointless and he honestly didn't deserve any of the things that were done to him. I think the writer should pay for emotional damage to their own character!!!!! The king gets a better development though it could've been better? Like I said: the bare minimum.
What was good in the movie was the set design, the aesthetic they were going for, and the choreography. The movie looks pretty? They do try to make it look smarter than it is (and what it was, was just softcore p*rn barely masquerading as a historical drama) but it was such a wasted effort. I don't remember the music so I'm thinking it was either so good it became invisible or so inconsequential that I didn't remember any of it.
The acting...could've been better? Some parts were overacted in my opinion. Others seemed confused about what they had to go for, so they just went with blank stoicism, which might be to some viewers' preference but I only like stoic performances if the eyes can communicate the deep emotions and there was none of that here. I don't blame the actors though, they were hardly given anything to work with.
Lastly, what I just hated about this movie were the excessive, gratuitous, pointless sex scenes that were very explicit and numerous, and maybe if they had made those a little more tasteful and MUCH shorter, there would've been more time to develop an actual plot for the movie. I don't know, just a suggestion.... (I know why they put them there but in the absence of a cohesive plot, this was just in bad taste)
Overall, I wasted precious time watching this movie and I regret the sequence of decisions I made that led me to watch it. I think this story should have been a tv series, (a miniseries maybe,) instead of a movie but given the number of gratuitous sex scenes in it, I can see why they chose to make a movie instead.
Please go watch something else if you want to watch a good movie. If you're here for the nudity or the actors, then go ahead and watch it!