An old sanatorium is deteriorating in an isolated forest in the mountains. Five contract workers have taken on the task of tracking the huge building for hazardous waste before it's demolished. They realize that the job is more than a search for asbestos and mercury when they encounter the building's frightening past. You can demolish a building, but never remove the past.

Five Norwegians head for a cabin in the wilderness for a few days of teambuilding. But strange things start happening — especially down by the water where they find an abandoned tent. Is there someone else?