John Taylor is drawn into a deadly game of chance when a mysterious woman hires him to retrieve a stolen artifact from a casino that exists outside of normal reality. Taylor, a private investigator with a knack for finding lost things in London, finds himself in the crosshairs of powerful forces when he takes on the case. The casino, known as the 'Casino Infernale,' is a place where the stakes are life and death, and the odds are always stacked against the player.

The novel is praised for its fast-paced narrative and imaginative world-building, characteristic of Simon R. Green's Secret Histories series. Readers often highlight the blend of noir detective elements with supernatural fantasy, creating a unique and engaging atmosphere. The intricate plot, filled with unexpected twists and a memorable cast of characters, keeps readers invested in John Taylor's quest. The book successfully expands the lore of the Secret Histories universe, offering both satisfying conclusions and intriguing possibilities for future installments.