A group of mercenaries in a European country kill a bunch of people in a small town and force them into prostitution in a dirty house. It's a grim psychological horror film. The main character is a mute girl who befriends one of the girls. Because of a mark on her face she isn't forced into prostitution herself but is tasked with cleaning them up after the encounters. At night she crawls through the secret panels littered throughout the house spying on people int he crawlspaces and showing acts of kindness. Soon this girl decides to get some revenge in violent fashion. This film is dark brutal and terrifying