Teenagers from a small town and their high school science teacher join forces to battle a giant mutant spider, living in a cave nearby and getting hungry.

A small town doctor mistakenly ingests an experimental drug made from the blood of vampire bats which transforms the kindly medic into a bloodthirsty monster.

Horace Vendig always gets what he wants. Even as a poor youth, he charmed his way into high society by getting the father of his friend, Martha, to foot the…