Alex and Penny have just become parents of a baby boy when they decide that the city is no place to raise a child. Relocating to a farmhouse, the couple finds their relationship deteriorating due to the demands of caring for a newborn, including a lack of sleep. When Alex and Penny begin seeing a mysterious woman around the house, they at first dismiss the sightings as hallucinations brought on by sleep deprivation. But as the visions appear more often, the parents are forced to consider that evils are at work in their home. By the time the truth about their new home is revealed, their tenuous grip on sanity has already begun to slip.