 Three researchers and two female test subjects rent an elegant bed & breakfast in quiet Lynchburg, VA, conducting groundbreaking experiments in psychokinesis, or PK. Soon the house begins to manifest strange and frightening paranormal activity, echoing one girl s haunted past. Wary but excited, the researchers continue, convinced of a breakthrough. The final experiment proves to be a bit too successful, leaving the scientists at odds over the true nature of the phenomena, and how to stop it.