The pointlessly named Batwoman and her bevy of Batmaidens fight evil and dance.
When a hot-air balloon crashes on a remote island, the crew discovers Dr. Frankenstein's ancestor carrying on the family work, along with a race of mutants and a population of Amazons.
A mad scientist, who discovered the secret of eternal youth by draining of blood from a young woman, gets executed. His ancestor moves into the home, eventually discovering the scientist's body. He revives him, and the terror continues.
An escaped prisoner flees to the South American jungle, where he must survive not only wild animals and disease, but a ferocious Indian tribe.