Henry Spencer tries to survive his industrial environment, his angry girlfriend, and the unbearable screams of his newly born mutant child.

Burt Gummer returns home to Perfection, Nev., to find that the town of terror has become a theme park, and when the simulated giant worm attacks turn real, the survivalist must battle the creatures once again. Gummer pits his impressive knowledge of weaponry against the newest and deadliest generation of flesh-eating graboids, with help from two young entrepreneurs.

In 1976, a lower-middle-class teenager struggles to cope living with her neurotic family of nomads on the outskirts of Beverly Hills.

Hick handymen Val McKee and Earl Bassett can barely eke out a living in the Nevada hamlet of Perfection, so they decide to leave town — despite an admonition from a shapely seismology coed who’s picking up odd readings on her equipment. Before long, Val and Earl discover what’s responsible for those readings: 30-foot-long carnivorous worms with a proclivity for sucking their prey underground.

The new owner of a roadside diner stuck in a town built around an always leaking nuclear power plant plans to torch the place to collect insurance. However, an assortment of bizarre characters and weird events (such as spaceships flying around) gets in his way.