A retired homicide detective is pulled back into a world of supernatural horror when a series of gruesome murders in a quiet Wisconsin town mirrors the crimes of a long-dead serial killer. Jack Sawyer, now living in anonymity, struggles with fragmented memories and inexplicable visions that link his current reality to the parallel universe known as the Territories. As he investigates the "Fishman" killings, he must confront the reality that these murders are not merely the work of a human madman, but are orchestrated by a malevolent force. The narrative follows Jack’s descent into a forgotten past, forcing him to reconcile his identity as a former traveler with the immediate, visceral danger threatening his community.

This novel functions as a complex synthesis of the distinct stylistic signatures of its two authors, blending gritty police procedural elements with expansive, surreal fantasy. The narrative relies heavily on the established lore of the Territories, rewarding readers who are familiar with the previous installment in the series. Critics often point to the book's deliberate pacing and its willingness to lean into grotesque, visceral imagery as defining characteristics of the reading experience. The work stands as a bridge between grounded human evil and cosmic, otherworldly threats, creating a dense atmosphere that permeates the small-town setting. The collaboration results in a layered exploration of memory and destiny that challenges the protagonist to confront his own suppressed history.