Mason Krane was five years old when he saw his parents brutally murdered and his brother dragged screaming out of their home. Haunted by the horrors of that night, Mason has dedicated his life to finding missing children. Though dedicated to his job, Mason's obsession with finding the truth of that night is always on his mind. He has never found any evidence to grant him closure, until now. Mason is hired to investigate the brutal murder of a babysitter and the missing child she was watching. The facts of the case are eerily similar to Mason's own experience, but this time the babysitter has left a clue to her killer's identity "a rough sketch that will drive his investigation into a confrontation with evil. Driven by this recent discovery, Mason's investigation leads him to unlock the ancient past, create new friendships, and give him visibility into a world that exists only in the deepest nightmares. As his desire to find a missing child and the truth of his past push him forward, Mason stumbles onto a plot that could wipe out millions, and only he and God stand between the evil that could ravage the human race.