A mad scientist, Dr. Aranya (Jackie Coogan), has created giant spiders in his Mexican lab in Zarpa Mesa to create a race of superwomen by injecting spiders with human pituitary growth hormones. Women develop miraculous regenerative powers, but men mutate into disfigured dwarves. Spiders grow to human size and intelligence.
A theatre critic teams up with a cop to investigate the murder of a Broadway actor.
A man escorts a wagon load of Kentucky rifles through Indian territory and must find a way to get through without losing the rifles to the Indians. Unfortunately the Indians know about it, and give the occupants an ultimatum: either the rifles or their lives.
