First of all the sand painting in the opening is super, please don't miss it.
The story of women in a Soviet Gulag. The balance of power shifts back and forth. Who is the leader and why ?
The misery of the gulag is tremendous, the abuse is constant.
The ending could very easily be interpreted in several ways and your interpretation will tell much about yourself.
I enjoyed it, I had some doubts but it was a fast enough pace that the misery portrayed didn't overwhelm me