The suspicious death of a high-ranking judge forces Inspector Thomas Pitt to re-examine a closed, politically charged murder case from five years prior. As Pitt navigates the obstructionist tactics of his own department, he must determine if the judge was silenced to prevent the truth about the Farriers' Lane crucifixion from surfacing. His wife, Charlotte, utilizes her access to London's upper-class social circles to gather intelligence that the police force ignores. The narrative follows their parallel investigations as they uncover a web of corruption that threatens to destroy their reputations and lives. The story is presented through a third-person perspective that shifts between the gritty reality of Victorian police work and the refined, often deceptive, world of the British aristocracy.

This novel is recognized as a staple of the Thomas and Charlotte Pitt series, noted for its meticulous attention to Victorian social mores and the mechanics of historical crime fiction. Readers often highlight the author's ability to weave complex political intrigue into the domestic lives of the protagonists, creating a sense of urgency that transcends the typical procedural format. The narrative is frequently praised for its unflinching look at the prejudices of the era, particularly regarding the treatment of marginalized groups within the legal system. While some critics point to the dense, slow-burn pacing as a hallmark of the series, others appreciate the depth of character development that occurs over the course of the investigation. The book remains a significant entry in the genre for its successful blend of atmospheric period detail and challenging moral questions.