The Terminators have hit Death Valley like a runaway train. Literally! The Terminator duo, male D-800L and female D-810X, have never been closer to exterminating their query, humanity's would-be savior John Connor. But there're two things standing in their way: one is the bounty hunter Van Dirk, who blames the cyborgs for the death of an innocent girl; the other is a steam-powered locomotive barreling straight at them.