When psychiatrist Carter Lane inherits his best friend's cases after his suicide, he's thrown into the fractured world of Arthur Frampton: a patient with dissociative identity disorder whose presence triggers memories of a long-buried massacre known as the Hoffman Horror.When Lane's wife is murdered, he discovers that her death mirrors the gruesome details of the decades-old crime. Lane is convinced one of Frampton's "alters" is responsible, but the detectives on the case have a different theory: Lane himself had motive and opportunity to commit the crime.Now a man on the run, Lane races against time to clear his name while navigating a maze of false identities and repressed trauma. As the pieces fall into place, will redemption cost him everything?A relentless psychological thriller, William J. Cook's PERSONA explores the power of identity - and how the past never truly stays buried.