Matt Cahill was an ordinary man leading a simple life until a shocking accident changed everything. Now he can see a nightmarish netherworld that exists within our own. Now he's on a dangerous quest for the answers to who he is and what he has become…and engaged in an epic battle to save us, and his soul, from the clutches of pure evil.
Matt receives a cryptic warning of an impending school shooting from a fellow subway passenger just seconds before the man steps in front of a speeding train. The incident has Mr. Dark's hallmarks all over it. Can Matt find the shooter in time to stop a horrific massacre?