A young psychiatrist applies for a job at a mental asylum, and must pass a test by interviewing four patients. He must figure out which of the patients, is in fact, the doctor that he would be replacing if hired.
With the help of his girlfriend Cathy and Dr. Fong, a psychiatrist, ambitious journalist Johnny Barrett poses as a madman in order to be admitted to a mental institution where a bloody murder has been committed.
A young psychiatric nurse goes to work at a lonesome asylum following a murder. There, she experiences varying degrees of torment from the patients.
A sociology instructor finds her new teaching duties at a private college interrupted by the presence of a killer.
Francis, a young man, recalls in his memory the horrible experiences he and his fiancée Jane recently went through. Francis and his friend Alan visit The Cabinet of Dr. Caligari, an exhibit where the mysterious doctor shows the somnambulist Cesare, and awakens him for some moments from his death-like sleep.
Newly released from a mental ward, Jessica hopes to return to life the way it was before her nervous breakdown. But when Jessica moves to a country house with her husband and a close friend, she finds a mysterious girl living in there. Jessica's terror and paranoia resurface as evil forces surround her.
When 3 film school students participate in an underground treasure hunt called "13 candles" taking place in an abandoned hospital from the 1800th century, they soon find themselves trapped in hell's maze.
Confined to a mental hospital, young Kirsty Cotton insists her supposedly dead father is stuck in hell, controlled by sadomasochistic demons after being betrayed by his evil, occult-obsessed wife, Julia. Few believe Kirsty, except the thrill-seeking Dr. Channard, who is intrigued by the young woman's lurid stories. So when Kirsty and fellow patient Tiffany head to hell for a rescue, Channard and Julia are close behind.
Los Angeles, 1928. When single mother Christine Collins leaves for work, her son vanishes without a trace. Five months later, the police reunite mother and son. But when Christine suspects that the boy returned to her isn't her child, her quest for truth exposes a world of corruption.
Dr Simon Helder, sentenced to an insane asylum for crimes against humanity, recognises its director as the brilliant Baron Frankenstein, the man whose work he had been trying to emulate before his imprisonment. Frankenstein utilises Helder's medical knowledge for a project he has been working on for some time. He is assembling a man from vital organs extracted from various inmates in the asylum. And the Baron will resort to murder to acquire the perfect specimens for his most ambitious project ever.
In the darkness of a gothic night, two knights engage in a deadly duel, illuminated only by the mysterious light of a lantern. A noble lady, confined in a castle, has woven a mysterious connection with the contenders. Supernatural forces and inexplicable events will determine the fate of the duelists in a night of horror.