Detective Inspector Napoleon Bonaparte is summoned to the remote Australian outback to investigate a series of baffling crimes linked to a local figure claiming prophetic powers. Bonaparte must navigate the harsh, unforgiving terrain and the insular nature of the local community to uncover the truth behind the mysterious events. He faces opposition from those who believe in the prophet's claims and those who wish to keep the truth buried in the desert sands. The narrative follows Bonaparte's methodical, observational approach as he pieces together clues that others overlook in the vast, arid landscape.

Arthur Upfield's work is often recognized for its unique integration of Australian geography and culture into the traditional detective framework. The character of Napoleon Bonaparte remains a significant figure in the history of crime fiction due to his distinct background and observational skills. Readers typically appreciate the atmospheric depth and the authentic portrayal of the outback environment that defines these mysteries. The narrative style suggests a focus on the intellectual challenge of the investigation rather than high-octane action sequences. This entry in the series continues to uphold the established conventions of the genre while providing a window into a specific time and place in Australian literature.