Detective Lou Decker's life is in disarray.
Since the death of his wife, questionable actions on the job as a detective have led to his suspension. Alcohol fuels his dissolution. He lacks family ties, and the only person of importance in his life is his sister.
Decker is then suddenly challenged by the disappearance of his sister at the hands of a religious cult. In his attempt to rescue her, Decker comes face-to-face with the startling reality and power of supernatural evil. Along the way, he encounters a host of characters, both mundane and supernatural, who will impact this search and life indelibly.