Colonel Richard Harrison finds his routine administrative duties at the Diocese of Canterbury upended when a mysterious woman arrives with claims regarding her deceased father. Harrison must navigate the internal politics of a demanding new Dean while investigating the cryptic message left behind by Miller's father. The narrative follows a procedural structure, tracking Harrison as he uncovers layers of institutional secrets and hidden agendas. He faces opposition from both ecclesiastical superiors and shadowy figures who prefer the past to remain buried.

This work functions as a traditional mystery that relies on the established character dynamics of the series. The narrative focuses on the intersection of religious administration and investigative tension, creating a grounded atmosphere for the protagonist. Readers likely appreciate the methodical progression of the plot as Harrison navigates the constraints of his position. The story emphasizes the weight of secrets held by institutions and the personal cost of uncovering them, providing a steady experience for fans of the genre.