An Blaster has arrived in the valley, already having killed two people. After going out after it, Burt and Tyler learn the AB is private property and must be taken in alive. Meanwhile, Jodi and the others take over teaching Burt's survival class.

Twitchell sends Burt and Tyler to a small town on the belief a Graboid is responsible for recent disappearances people. But the townspeople believe the real cause for the disappearances are alien abductions and that the government is trying to cover it up.

The valley has an infestation of strange bugs that make loud noises when they are about to feed. They start eating dry wood, but soon enough they move onto meat and begin making their way toward the town. Meanwhile, Larry has decided to move into town.