A young American medical student and an elderly, eccentric New Zealand writer form an unsettling, symbiotic relationship centered on their shared obsession with death. As the student, Talbot Edelman, seeks to understand the nature of mortality through his studies and his proximity to the dying, he becomes entangled in the life of Turnlung, a man who has retreated into a world of memory and linguistic invention. Their interaction is marked by a profound psychological tension, as each man attempts to colonize the other's consciousness. The narrative shifts between their perspectives, utilizing a fragmented, dreamlike structure that blurs the boundaries between the living and the dead, the observer and the observed.

This work is frequently noted for its challenging, unconventional structure and its refusal to adhere to traditional narrative expectations. Readers often highlight the intense, claustrophobic atmosphere that Frame constructs through her precise and often jarring use of language. The novel is widely regarded as a significant exploration of the psychological toll of obsession and the fragility of human identity. Critics and readers alike point to the book's ability to unsettle the reader, forcing a confrontation with the uncomfortable realities of aging and mortality. The text remains a testament to the author's unique ability to map the interior landscapes of her characters with uncompromising rigor.