Based on the concept of "New America" in the year 2097, two decades after a nuclear apocalypse, Tex Kennedy, two robotic ex-secret service agents, and a female cannibal journey to find a famously dangerous area known as the "Threshold of Hell" to gain access to a radio tower to unite the survivors of the apocalypse.

Harry Sanborn is an aged music industry exec with a fondness for younger women like Marin, his latest trophy girlfriend. Things get a little awkward when Harry suffers a heart attack at the home of Marin's mother, Erica. Left in the care of Erica and his doctor, a love triangle starts to take shape.