Delusion
Meredith Stone, a home care nurse, has been assigned the duty of looking after a wealthy invalid named Ivar Langrock. Cooped up in Langrock's stately country mansion, Meredith quickly suspects that someone sinister is lurking in the manor's dark halls only to discover that Ivar's demented and violent son has been locked away in a hidden room. Shortly thereafter, Ivar's grandson Gabriel also moves into the house and with his arrival a mysterious killer soon begins murdering members of the Langrock family along with their live-in staff.Meredith Stone, a home care nurse, has been assigned the duty of looking after a wealthy invalid named Ivar Langrock. Cooped up in Langrock's stately country mansion, Meredith quickly suspects that someone sinister is lurking ... Read more
Starring Patricia Pearcy, Joseph Cotten, David Hayward, John Dukakis, Leon Charles, Alice Nunn, Patrick Pankhurst, Louis Basile, Abraham Alvarez, Simone Griffeth
Watch "Delusion" on Amazon released in 1981. It's a horror movie, and has a rating of 4.6 out of 10 from Imdb which is fairly low for this kind of movie, and is currently only available for purchase or rent.