Jason Robards is Ranger Elliot Brent who has just purchased a TV set for his wife, Joanna (Stella Stevens) and they live in a remote area of forest. The TV begins showing images of Joanna being unfaithful and in a rage Elliot kills & buries her. During a stormy night who should appear but the man Joanna was being unfaithful with. Elliot kills and buries him too. He seems to go completely insane when the TV shows images of the corpses rising from their shallow graves and approaching the house!
Eerie, classic kind of tale of the genre in which a man and his wife, celebrating their anniversary, wind up (through some magic which suddenly possesses her) in a remote seaside hotel where "The Concrete Captain" dominates the beach. Legend has it, a sea captain was trapped in the rocks and died, a harpoon sticking out of his chest. He was buried there, in concrete. But as the wife appears, he seems to be speaking to her from the rock. And why is the concrete suddenly developing a fissure?
Helen Hayes stars as a gentle schoolteacher in the grip of the supernatural. For Robert, her bedridden prize pupil, what could be more innocent than to dream up a playmate? The dream becomes an incredible reality, a walking, talking double who hates —and is bent on destroying-everything Robert likes. And that includes his teacher.
Janet inherits her mother's house when her mother dies in a mental institution. When she first arrives at the house, she meets her cousins Hattie and Jonathon, who welcome her warmly. She decides to stay at the house and fix it up so that it won't be condemned. However, neither the house nor Hattie and Jonathon are what they seem to be, and Janet begins to fear for her own sanity as a terrifying past merges with an equally terrifying present.
While working at a construction site, Frank unearths a curious box, which has no latch for opening.
Beth is a shy young woman who has come to the city to share an apartment with her friend, Janet. Janet gets Beth a job at the company she works for, and tries to encourage Beth to come out and socialize with their coworkers. Beth declines. But when Janet turns up missing, and Beth fills in at Janet's job, she meets Janet's friends, and all is not as it seems.
Fred Colby is a former actor, who now works as a security guard at the studio where he used to film movies. He and his wife, Linda, are expecting their first child together. The studio is closing in a few weeks, and is plagued by a neighborhood gang, who sneak in after hours. While chasing the gang, Fred discovers that something else is roaming the deserted studio.
Tab Hunter stars in a dual role as a magazine journalist and doppelganger. A spirit picks up his likeness and becomes that doppelganger while visiting a local potters field. The doppelganger proceeds to drive away his friends and nearly destroy his life until he finds out the identity of the spirit.