A Wayward Texas cowboy washes up on the beaches of Hawaii and is taken home by an fatherless boy. He saves the family's business while romancing the single mom.

A small town in Texas finds itself under attack from a hungry, fifty-foot-long gila monster. No longer content to forage in the desert, the giant lizard begins chomping on motorists and train passengers before descending upon the town itself. Only Chase Winstead, a quick-thinking mechanic, can save the town from being wiped out.