In 1955 Florida, a Korean vet has a breakdown and is incarcerated in a "maximum security" mental health prison, where patients are abused.

When a comet passes close to the earth, machines all over the world come alive and go on homicidal rampages. A group of people at a desolate truck stop are held hostage by a gang of homicidal 18-wheelers. The frightened people set out to defeat the killer machines ... or be killed by them.

Sequel to Code of Vengeance in which Vietnam vet-turned-loner David Dalton goes off this time in pursuit of his crazy former commanding officer and his trigger-happy paramilitary group, the New Patriots, who are planning a war against the U.S. Government, which they feel let them down in Vietnam.

After a man with extraordinary—and frighteningly destructive—telepathic abilities is nabbed by agents from a mysterious rogue corporation, he discovers he is far from the only possessor of such strange powers, and that some of the other “scanners” have their minds set on world domination, while others are trying to stop them.