Greywalker

In the first book of the series, Harper Blaine, a Seattle private investigator, is critically injured but survives to discover she has become a Greywalker—a being who can see and interact with the supernatural world. As Harper learns to navigate her new reality, she is drawn into a case that involves a missing person, a dangerous spirit, and a conspiracy that could have deadly consequences.

In 'Poltergeist', Harper is called to investigate a haunting at a local university. As she digs deeper, she uncovers a web of secrets that link the living to the dead, forcing her to confront a vengeful spirit and the consequences of her own choices in the Grey.

In this installment, Harper is pulled into the underground world of Seattle's supernatural community as she investigates a series of murders linked to a powerful artifact. As she navigates treacherous alliances, she must uncover the truth behind the killings before she becomes the next target.

Harper's journey continues as she faces a new threat from a powerful entity that seeks to manipulate her abilities for its own ends. With the stakes higher than ever, Harper must rely on her wits and newfound powers to protect herself and those she cares about.

In 'Labyrinth', Harper discovers a hidden world beneath Seattle filled with ancient magic and dangerous creatures. As she uncovers the secrets of this labyrinthine realm, she must confront her own fears and the dark forces that threaten to consume her.

In the penultimate book, Harper's investigation leads her to the coast, where she encounters a powerful sea witch and an ancient curse. As she races against time to break the curse, she must confront her own past and the choices that have brought her to this moment.

The series finale brings Harper face to face with the ultimate confrontation between the forces of light and darkness. As she battles to protect both worlds, Harper must make a choice that will determine her fate and the fate of those she loves.