Three beatniks are brought together to rob an armored car, only to face betrayal from amongst their ranks.

An old lighthouse keeper who lives with his daughter secretly keeps a prehistoric fish-man by feeding it scraps and fish. One day he misses the feeding and all hell breaks loose.

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.