A surgeon transplants the heart of an ape into his ailing son with horrific results.

In 1983, a young mute woman with psychic abilities is held captive within the Arboria Institute, a secluded futuristic facility overseen by a sinister doctor with an unraveling mind and a growing obsession with her.

Mythology and religious dogma are slowly revealed when an attractive young woman is approached by a modeling agency that pulls her into an underworld of priests that are not Christian but rather want to resurrect Satan by collecting the souls of 18 beautiful children.

Murders, with victims dying from spines broken by brute strength, erupt in the city and the killers, when encountered, walk away unharmed by police bullets which strike them. A police doctor's investigation of the deaths leads to the discovery of an army of dead criminal musclemen restored to life, remotely controlled by a vengeful former crime boss and a former Nazi scientist, from the latter's laboratory hidden in the suburbs.

Dr. Henry Jekyll is a well-regarded physician whose evenings are spent researching a rare and sacred Amazonian flower so potent it's said to literally separate the soul, giving life to man's Dark Self. The obsessive experiments to isolate its psychotropic properties happen to coincide with a series of brutal murders gripping the city with fear. Jekyll knows it's no coincidence. While his nights are lost to him, he awakens with bloody mementos and violent memories of the screams of his victims.

A couple wash up on an uncharted island where Nazi experiments are going on.

Jim and Brad make their annual hunting trip to the desert, but this year everything is different: Their third partner, Paul, has died in an accident and they've taken his nephew, Ray, along in his place. When they arrive, though, there's not a single animal to be found, only a grizzled old-timer who joins them. When they meet two female campers, they all begin to behave aggressively, unable to resist their animal urges. The next morning the women have disappeared, but the strange moods and behaviors persist and change in ominous ways. Something has them in its grip and it has total control over them...

In an uncharted future, two hardened souls meet and confront each other with the things they have done and what they have become.

During an exclusive tour, a power breakdown inside a secret prison known as the Death House sends two agents fighting through a labyrinth of horrors while being pursued by a ruthless army of roaming inmates. As they fight to escape, the agents push toward the lowest depths of the facility where they learn a supernatural group of evil beings is their only chance for survival.

Dr. Bernard Adrian is a kindly scientist who seeks to cure a young woman's polio. He needs human spinal fluid to complete the formula for his experimental serum. Meanwhile, a vicious circus ape has broken out of its cage, and is terrorizing the townspeople. Can there be a connection?

A mad scientist creates man eating creatures from carnivorous plants.

After being thrown out of medical school for ethical violations, Dr. Peter Blood returns home to a small Cornish village, where he sets up a research laboratory in a secluded cave. There, he attempts to revive the dead, using kidnapped humans -- who he views as unworthy of life -- for their body parts, specifically, their hearts.