When a new airplane that's equipped with a new computer that can fly the plane on its own, is about to have its first flight. But the son of the owner decides to upload more software, he doesn't bother to check if there are any viruses with it. And he also invites some potential investors to try it. So the plane appears to be working well but suddenly it veers off course and it can't be shut down. When the military learns of this and fears what if something happens if it's over a populated area; decides to shoot it down along with everyone on board. The man who built the computer whose wife is among the passengers thinks if he can get on board he might be able to shut it down and regain control of the plane. So the military using a new plane gets him on board. But what he didn't know is that both pilots are incapacitated so there's no one who can fly the plane.

When a sudden, unexplained rise in local temperatures threatens to turn the whole of Los Angeles county into a parched, lifeless desert, a scientist must put her theories into practice and discover both the source of the climate crisis and a solution before it's too late.

In Las Vegas, the powerful three hundred year old vampire Sylvian hires Dr. van Helm to research a cure to survive in the sun. She uses three vampire women as guinea pigs to test the serum in the desert and a couple that is camping witnesses the failure and calls the police. Detective Stanton and his partner Detective O'Hara are assigned to investigate the case. Meanwhile, Jason, who is going to marry Rachel, and two friends travel to Las Vegas for his bachelor party with a couple of strippers, but the women are actually vampires that attack them. Out of the blue, Rachel and her friend Nikki decide to travel to Las Vegas to surprise her boyfriends. The group is captured by Sylvian that uses them to feed the pack vampires and test the new research.

After Jesse James is wounded by a bullet to the chest, Frank James splits the gang up and plans a rendezvous in four days time. With U.S.-Marshall Kane in hot pursuit, and betrayal within the outlaw band, the stage is set for a blazing and climactic shootout in the deserted town of 'Gila Wells'.