A brutal massacre at a desert research facility in the middle of Australia awakens horrors across two timelines -1987 and 2024 - dragging Detective Georgia Cooke into a decades-long spiral of obsession and estrangement.

In 1987, Georgia spirals deeper into her obsession with the mysterious Bone Gospel, which she learns is a real book, while in the present day, the investigation into a series of copycat killings leads to the discovery of a podcaster's body.