Survivalist Burt Gummer returns home to Perfection, to find that the little town has been shaken up again by morphing, man-eating Graboids.

Burt Gummer and Travis Welker find themselves in a fight for survival after investigating deadly giant worm attacks in the Canadian arctic.

When Gummer is hired to capture a deadly creature terrorizing South Africa, he and his new sidekick, Travis Welker, engage in another battle of survival against the fiercely aggressive Graboids.

In 1889, seventeen men die under mysterious circumstances, and spooked by recent events, the miners who populate the town leave in droves until there's nothing left but a shell of a community.

When a group of hunters genetically modify Graboid eggs, they face an all-out war against the larger, terrifyingly intelligent creatures, and swiftly multiplying Shriekers!