Suddenly in the Dark (1981)

When Keira Woods' daughter mysteriously vanishes in the cellar of their new house in the country, she soon discovers there is an ancient and powerful entity controlling their home that she will have to face or risk losing her family's souls forever.

A college student renting an old room in a boarding house discovers a plot by sinister, otherworldly forces to sacrifice his neighbor's infant.

A fashion designer suffers from a mysterious illness that puzzles her doctors and frustrates her husband until help arrives in the form of a Filipino caregiver who uses traditional folk healing to reveal a horrifying truth.

Pastor Park, the head of a religious investigation center that exposes cults and cult leaders, begins looking into a suspicious new religion called Deer Mount.

On Halloween night, a sorority house is overrun with ghosts, while a vengeful housemother goes on a killing spree.

A family moves into a large old mansion in the countryside which seems to have a mysterious and sinister power over its new residents.

When their son starts acting strangely, a couple unwittingly allow dark and sinister forces into their home, awakening a long-dormant ancient evil rooted deep in the countryside.

Archaeologist Emma Fielding is hired to consult on the acquisition of a castle-like estate that local legend states is cursed. But she finds herself in the middle of a murder case after discovering the body of the archaeologist she was hired to shadow in a secret chamber in the bowels of the huge building. Assisted by her friend, FBI special agent Jim Conner, Fielding must sift through clues and a long list of suspects, each of whom has their own reason for wanting the man dead, to determine who is the killer.

A young woman and her fiancé are in search of the perfect starter home. After following a mysterious real estate agent to a new housing development, the couple finds themselves trapped in a maze of identical houses and forced to raise an otherworldly child.

After a young couple moves into a remote farmhouse with their infant son, the woman's struggles with postpartum psychosis begin to intensify... as the house reveals secrets of its own.