Help her open the door. It wants to come through...

First, the dream. Now this message from the mouth of a stranger. It was too much of a coincidence for Nate Carver, and has him dropping everything to help a woman he hasn't even thought about in eight years, not since the overdose that almost took Cathy Deveraux's life.

The prison escape of Thomas Elbert stirs up memories for Detective Alec Palmer, and the man's death raises questions. Why would a catatonic convicted killer suddenly wake up and escape, only to commit suicide days later? Or was it murder? And what connection did he have to Nate Carver, a man on the run with a daughter he never knew he had?

All roads lead to Boston, where, in their search for answers, they will be drawn into the dark world of the occult and mysticism. Of parallel worlds and alternate realities. Of doors that open onto other times and other worlds. Of dreams that won't be denied.

By the time they realize they are merely pawns in a much bigger game, a game where the fate of the world is at stake, will it be too late?