In the Arizona desert, a professor experiments with growth hormones to increase global food supply. His partner's sudden death from a rapid-advancing disease puzzles the local doctor, who teams up with the professor's new assistant to uncover the cause. They soon discover evidence of a giant tarantula terrorizing the countryside.

Tarantula
A gargantuan spider, once confined in a laboratory, breaks free and wreaks havoc on a desert town, its massive size inducing chaos and destruction.