The Green Traveller will come knocking at your door, and he will knock and knock and go on knocking until somebody lets him in. And then God held you.
Terence Pearson is obsessed with this legendary creature, half man-half tree. Knowing his children to be the Traveller's descendants, he slaughters them under the open sky in order to save them from their fate.
The Spellman Institute of Genetics are trying to implant the genetic codes of a human child into the mind of America's biggest pig, Captain Black, the size and weight of a small car. But what the surgeons don't know is that the human donor was one of Terence's children . . .
The awesome pig, encoded with the malevolent and destructive psyche of the Green Traveller, embarks on a horrifically bloody and unstoppable rampage. Protected by law and multi-million dollar interests, it seems nothing can stop it . . .
