When best friends Kevin Bishop and Elvis Steinberg stumble into the middle of a macabre and terrifying ritual, a sequence of events are set into motion that threaten not only their sanity, but also their very lives. Survival becomes a race against time as Kevin, now alone, not only must deliver a key piece of evidence to Special Agent Jack Spencer against all odds, but also must evade the clutches of the Society and their dark goddess who relentlessly seek to possess his soul. His only hope of salvation lies in unraveling the shrouded mystery of the Blackstone and how this is connected to his own past.