"In the annals of the supernatural, no case was more baffling than the one that occurred in the famous penal institution known as Devil's Island..." Two escaped convicts meet a third one in the jungle who wants to help them. When they stab the unwanted partner, he turns into a skeleton.
Two American engineers discover ancient Egyptian tombs and get in a fight with living mummies. Resurrected queen Neferti helps them escape, because she didn’t wish to be resurrected in the first place.
"In 1933, Richard Dore, a young American archeologist, was digging through some Aztec ruins in Central Mexico..." In an underground torture chamber Dore finds a fountain from which still spurts human blood.
On the English coast, a witch trapped in the body of a cat, can escape her confinement. She takes control of another woman’s body and starts her witching work again. She doesn’t rest until she has taken revenge on all of those who caused her predicament.