A killer is hiding behind silence, and the only witness is already dead. When a seasoned detective is murdered, the Circle is called to decode the victim’s fractured ghostly memories—smells, sounds, and flashes no court will ever hear. But the homicide exposes a darker conspiracy: a rival medium using spirits as an invisible intelligence network to bury the truth. As evidence vanishes and witnesses break, the Circle must prove that some voices refuse to stay silenced.