Near the end of the 19th century, Prof. John Mayer and his assistant, the scientist Dr. Isabel Reed, accidentally invent a powerful ray. An alien travels to Earth to destroy the machine since it would be a threat to the universe. He initially possesses the mind of Thomas, a sex maniac and serial killer, to get close to Mayer during the demonstration of the machine to scientists and the military. Mayer's niece, Laura, meets an acquaintance of her uncle, the chemist Dr. Paul Rosten, and Mayer invites him to join the research. When Thomas gets close to Mayer, the alien also possesses his mind in order to destroy the device and his notes. Meanwhile, Thomas is not able to control his murderous impulses and attacks several women with a straight razor.

To wrestle she uses a Bat-suit. Only to save the world she wears the smallest bikini...
A mad scientist (who else?) tries to breed a mutant being between fish and wrestlers!!! To see how it works drops a Ken doll in a fish tank where a goldfish swims happily and nothing happens. Of course nothing will happen, he need to use real people in his experiments, not dolls!
As more and more experiments fail, mutant dead bodies are found on the beach and this is the time for the bat-signal! Bat-woman with her statuesque body, brief bikini and lethal karate moves will take care of that crazy Doctor Frankenfish...
Mr. René Cardona only wanted to take advantage of the Bat-craze during the Batman high peak, with his version of the hero in the shape of a beautiful woman, Maura Monti... and he got it.