A group of friends stranded near a desolate cornfield find shelter in an old farmhouse, though they soon discover the dwelling is the center of a supernatural ritual.
Maryann moves in with her grandparents after she's orphaned. Desperately lonely, she sets out to befriend a neighboring deathly ill, bed-ridden boy, despite the outright disapproval of his mother. Maryann's persistence pays off, however, and during a series of secret visits she gradually uncovers some seriously sinister goings-on in the house.
Katherine Morrissey, a former Christian missionary, lost her faith after the tragic deaths of her family. Now she applies her expertise to debunking religious phenomena. When a series of biblical plagues overrun a small town, Katherine arrives to prove that a supernatural force is not behind the occurrences, but soon finds that science cannot explain what is happening. Instead, she must regain her faith to combat the evil that waits in a Louisiana swamp.
A rock band gets stuck on a haunted farm while visiting its lead singer's family.