About to executed by the forces of the Antichrist, a fundamentalist Christian guerrilla is rescued by an Antichrist agent pretending to be a double agent for the Believers' Underground. The agent hopes to trick the Christian into leading her to the dissidents' hidden base. Meanwhile, Armageddon and the Second Coming draw nigh.
With the help of his girlfriend Cathy and Dr. Fong, a psychiatrist, ambitious journalist Johnny Barrett poses as a madman in order to be admitted to a mental institution where a bloody murder has been committed.