Ethan York has unwittingly released something unspeakably evil into his world. Faced with certain destruction, Ethan must regain the trust of the only person ever to visit the world his terror came from—his life long friend Patrick Doune. In the process, they uncover numerous conspiracies and schemes by cults to us the powers from beyond for their own malicious purposes. Forming an alliance with Sophia Siene, Patrick's enemy and one desire, to destabilize one cult's strategy, the three of them discover a society so sinister it is willing to destroy humanity to prove its doctrine is the "One Truth". Mankind's only hope resides in the fate of these three unlikely companions.