It's time for a young African American to meet with his white girlfriend's parents for a weekend in their secluded estate in the woods, but before long, the friendly and polite ambience will give way to a nightmare.
When Syamoto's teenage daughter is caught stealing, a generous middle-aged man helps resolve the situation. The man and his wife offer to have Syamoto's troublesome daughter work at their fish store. Syamoto soon discovers the horrific truth of the seemingly perfect couple.
On a secluded farm in a nondescript rural town, a man is slowly dying. His family gathers to mourn, and soon a darkness grows, marked by waking nightmares and a growing sense that something evil is taking over the family.
The Parkers, a reclusive family who follow ancient customs, find their secret existence threatened as a torrential downpour moves into their area, forcing daughters Iris and Rose to assume responsibilities beyond those of a typical family.