Teenagers Glen and Randa are members of a tribe that lives in a rural area, several decades after nuclear war has devastated the planet. They know nothing of the outside world, except that Glen has read about and seen pictures of a great city in some old comic books. He and Randa set out to find this city.
Swope—the only black man on the executive board of an advertising firm—is accidentally put in charge after the death of the chairman.
After getting kicked out of college, Arlo decides to visit his friend Alice for Thanksgiving dinner. After dinner is over, Arlo volunteers to take the trash to the dump but finds it closed for the holiday, so he dumps the trash in the bottom of a ravine. This act of littering gets him arrested and sends him on a bizarre journey.
