Staya (2009)

The group of wealthy businessmen bought tours to the theme park: the "Stalin epoch" park. Strict regime, prison guards, interrogations, terrible conditions, no communication with outer world, male and female barracks - all how it was in the past. But the rich men don't even suspect that they happen to be in this "health resort" not by chance: everyone was accurately being brought to the idea of buying a tour to the camp, whole files of old sins are kept on everybody, and they'll have to pay for them lots of money. And nobody is going to let them out of the camp alive...