Detective Inspector Napoleon Bonaparte must infiltrate a remote, harsh Australian landscape to solve a series of mysterious disappearances involving two rival tribes. The protagonist, a man of mixed Aboriginal and European heritage, relies on his unique ability to read the land and understand the cultural nuances of the local people to track a elusive killer. He faces extreme environmental conditions and the deep-seated suspicion of the inhabitants who guard their secrets with intense vigilance. The narrative follows a classic investigative structure, emphasizing the methodical gathering of clues within a vast, unforgiving wilderness.

This work is widely regarded as a quintessential example of the Australian outback mystery genre, showcasing Upfield's deep knowledge of the terrain and its people. Readers often note the atmospheric tension created by the isolation of the setting, which serves as both a backdrop and an antagonist to the investigation. The character of Napoleon Bonaparte remains a significant figure in detective literature for his unconventional methods and his bridge between two distinct cultures. The narrative style is praised for its descriptive precision and its commitment to the procedural elements of crime solving. These elements combine to create a distinct reading experience that prioritizes environmental immersion alongside traditional mystery tropes.