A secret agent is assigned ot rescue the daughter of a deceased East German scienist, who discovered a valuable formula.

In seventeenth century England Lord Whitman wages unending war on what he sees as the ever-present scourge of witchcraft, and many local villagers have suffered at his hands. But one victim uses her occult powers to curse his family, enlisting unknowing help from one of the household.

When a vacationing couple in Tangiers runs into an old friend there, they discover that he is searching for his missing girlfriend who has been kidnapped by an international gang of white slavers.

Young orphan Heathcliff is adopted by the wealthy Earnshaw family and moves into their estate, Wuthering Heights. Soon, the new resident falls for his compassionate foster sister, Cathy. The two share a remarkable bond that seems unbreakable until Cathy, feeling the pressure of social convention, suppresses her feelings and marries Edgar Linton, a man of means who befits her stature. Heathcliff vows to win her back.

In Paris, in the beginning of the Twentieth Century, Cesar Charron owns a theater at the Rue Morgue where he performs the play "Murders in the Rue Morgue" with his wife Madeleine Charron, who has dreadful nightmares. When there are several murders by acid of people connected to Cesar, the prime suspect of Inspector Vidocq would be Cesar's former partner Rene Marot. But Marot murdered Madeleine's mother many years ago and committed suicide immediately after.

Evil lurks in the gloomy house at Markham Manor where a deranged Sir Edward is the chained prisoner of his brother Julian. When Sir Edward escapes, he embarks on a monstrous killing spree, determined to seek revenge on all those whom he feels have double-crossed him.