Jack Nightingale fights his battles in the shadows тАУ in the grey areas where the real world meets the supernatural. But when he arrives in San Francisco to take on a group of Satanists bent on opening a doorway to Hell, the danger is out in the open and all too real. The Apostles тАУ a Satanic coven using murder and torture to pave the way for a demon to enter the real world тАУ realise that Nightingale is on their tail. And unleash their own brand of monsters to take him down. With NightingaleтАЩs life тАУ and his very soul тАУ on the line, he has only days to stop The Apostles from bringing death and destruction to the entire world.