Modern science tells us that, on the simplest level, the material world is nothing but energy, and we are all physically connected to the world around us.
This might explain why Romie feels drawn to the abandoned house in Tucson, Arizona, that becomes her future home. It is as if she has been there before, or as if she was always meant to be there. After she moves in, Romie begins to have recurring nightmares that slowly bleed into her waking life. Late one night, she sees a shadowy spirit pacing in her hallway.
A clairvoyant later suggests that she try to make contact, to ask what her visitor wants, but Romie is overwhelmed by fear. Since the spirit seems only to threaten her directly, she begins to question her own sanity: Is the house haunted, or is Romie herself cursed?