Anxious and unstable after removing herself from a money-grubbing rehab facility, a recovering addict isolates herself in a nearby rental home while she gets her life on track. Haunted by episodes of sleep paralysis and visions of silhouetted demons, she scores an Ambien from the strange property manager in order to get a good night's rest. When the episodes intensify and town secrets come to light, she's certain the haunting forces aren't only in her mind.