Satan's Bed (1986)

Plot

A realtor constructs an opulent home in a rural area, unknowingly atop a graveyard of a family killed during a robbery in 1941. When Mrs. Siska moves in with her daughter and niece, they quickly realize the house is plagued by malevolent forces. One evening, while Mrs. Siska is away, her daughter and niece invite friends over, unleashing a night of horror. Under the influence of dark powers, they experience unspeakable torment and death, leaving everyone trapped in a nightmarish struggle for survival. The sinister past of the land has awakened, and no one is safe.