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.

The new sequel finds Burt Gummer, who's dying from Graboid poison, and his son Travis at a remote research station in Canada's Nunavut Territory, where they must go up against a new batch of Graboids to save Burt's life.