A framed man escapes prison and takes a wealthy woman's Jaguar with her in it. After she tries to escape numerous times, they begin to develop feelings for each other, and enter a road race that ends in Mexico.

In post-apocalyptic New York, three tribes of survivors (the Norms, the Mutates and the Upriver People) vie for the right to exist. When the treacherous Upriver People attack the Norms, kill their chief and take their people captive, two Norm refugee men must find a way to ally with the Mutates, who have previously kidnapped Norm women in an effort to reproduce healthy children, to rout the Uprivers, who also seek to kill off the Mutates.

Roger Corman's post-holocaust quickie about an adolescent tribesman who dares to explore the feared "forbidden zone."

A scientist develops a formula which will cause animals to regress to the form of their primitive ancestors, and tries it on himself with disastrous results.