On the Caribbean island of Matul, white doctor David Menard is trying to stem the tide of cannibal zombies that are returning from the dead. Arriving on the island are Anne and reporter Peter West who are looking for Anne's missing father. The pair soon find themselves under attack from the zombies.

A psychic participates in a séance where she sees a vision of a Dunwich priest hanging himself in a church cemetery, causing her to die of fright. New York City reporter Peter Bell investigates the séance and learns that the priest's suicide has somehow opened a portal to Hell and must be sealed by All Saints Day, or else the dead will...

After a doctor kills his mistress and himself while researching the mysterious previous owner of his Boston home, his colleague, Dr. Norman Boyle, takes over his research and moves his family from New York City to the Boston mansion. Soon after, Boyle's young son Bob becomes plagued by visions of a young girl, who warns him of the dang...

A reporter and a promiscuous young woman try to solve a series of child killings in a remote southern Italian town rife with superstition and a distrust of outsiders.

A burned-out New York police detective teams up with a college psychoanalyst to track down a vicious serial killer randomly stalking and killing various young women around the city.