When a terrifying encounter in the Australian outback leaves a witness paralyzed with fear, Inspector Napoleon Bonaparte is summoned to track a dangerous fugitive. The narrative follows Bony as he applies his unique blend of police training and indigenous tracking skills to hunt Marvin Rhudder, a former theological student turned violent criminal. The investigation unfolds across the rugged, unforgiving terrain of Western Australia, where the environment itself acts as a formidable barrier to justice. Upfield utilizes a third-person perspective to detail the methodical, often solitary nature of Bony's pursuit, emphasizing the psychological tension between the hunter and the hunted.

This work is recognized as a staple of the classic Australian detective genre, highlighting Arthur Upfield's ability to integrate the harsh realities of the outback into a traditional mystery framework. Readers often note the distinct presence of Inspector Napoleon Bonaparte, whose dual heritage provides a unique lens through which the investigation is conducted. The narrative is frequently praised for its technical focus on tracking and the authentic portrayal of the Western Australian environment. The book maintains a steady, methodical pace that reflects the patience required for the protagonist's investigative style. It remains a significant entry in the series for those interested in the evolution of the detective novel in a non-urban setting.