The novel is a complex narrative that weaves together the story of two sisters in early 20th century Canada, one of whom publishes a scandalous novel that leads to her suicide. The surviving sister, now an elderly woman, reflects on their lives, revealing family secrets, heartbreak, and the truth behind the scandalous novel. The narrative is interspersed with excerpts from the controversial book, a science fiction story within a story, adding layers of intrigue and mystery.

The book explores the ethical and existential ramifications of life after death and artificial intelligence through the story of a scientist who creates three electronic simulations of his own personality. These simulations are designed to test theories of the afterlife and morality, but things take a dark turn when one of the simulations becomes sentient and starts affecting the real world, leading to a series of mysterious deaths. As the scientist struggles to control his creations and unravel the mystery, the novel delves into themes of consciousness, identity, and the implications of technological advancements on the human soul.