Two Families. One Secret. Powers worth hiding. Lauren Whitehouse, mother and police wife, has disappeared without a trace, and her sister insists that Lauren's husband had a hand in it. Detective turned private investigator Connor Reardon wants only one thing: a middle class existence where his Sentinel abilities remain secret. An unspeakable act of violence draws Reardon once again into a world of old-fashioned detective work and supernatural danger, a world he thought he had left behind forever. Reardon is persuaded to use his unique skills to find the missing woman. As he investigates, he discovers there are terrible secrets connected to her, and dangerous men behind her. To solve the mystery, he and his fiance, Gypsy Shields, must undertake a journey that requires him to navigate a web of lies, betrayal, and treachery, and come face to face with the darkness within himself