A grieving mother receives inexplicable phone calls from her daughter who was murdered years prior, triggering a desperate and dangerous investigation into a hidden, malevolent organization. Barbara Waugh must navigate the thin line between hope and madness as she pursues the voice of her child, Angela. Her search forces her to confront a clandestine group that practices ritualistic violence and operates in the shadows of society. The narrative follows her descent into this dark underworld, where the loss of identity is a prerequisite for membership and survival is far from guaranteed.

Ramsey Campbell is widely recognized for his ability to craft unsettling narratives that prioritize psychological unease over conventional tropes. The premise suggests a focus on the fragility of the human psyche when confronted with the impossible and the horrific. Readers often note the author's skill in transforming mundane settings into spaces of profound terror through precise, evocative prose. The work stands as a representative example of British horror fiction that emphasizes the lingering effects of trauma and the hidden dangers lurking beneath the surface of everyday life.