Dr Bill Brockton is experimenting with fire. The charred body of a woman has been found in a . burned car atop a hill in Knoxville. But was she dead before the fire even began?

Days later, his lawyer, Burt DeVriess, brings him a mysterious package - the cremated remains of his beloved aunt. But further investigation shows that the remains are anything but human and Brockton discovers a truth too horrifying to believe.

All the while, his nemesis, Garland Hamilton, has escaped from custody and is hunting Brockton down. He'll stop at nothing to get his revenge.