Natives of a small isolated town defend themselves against strange underground creatures which are killing them one by one.

An unhappy businessman finds a new sense of purpose after he's tasked with helping a quartet of ghosts fulfill their last wishes before moving on to the afterlife.

Earl Bassett, now a washed-up ex-celebrity, is hired by a Mexican oil company to eradicate a Graboid epidemic that's killing more people each day. However, the humans aren't the only one with a new battle plan.

The now famous Burt Gummer returns to his hometown of Perfection, Nevada for the first time in years, but the deadliest Graboid evolution yet forces him to save the town he swore to protect.

A prequel to Tremors (1990), this movie tells us about how the town of Perfection, Nevada became founded and how they defended it against the Graboids with the help of Burt Gummer's ancestor, Hiram.