When four infants vanish from the quiet town of Mitford, Detective Inspector Napoleon Bonaparte is summoned to navigate a community cloaked in silence and suspicion. As Bonaparte probes the disappearances, he faces the physical isolation of the Australian landscape and the psychological barriers erected by the townspeople who guard their secrets with fierce determination. The narrative follows his methodical, observational approach to investigation, contrasting his unique cultural perspective with the insular nature of the local residents. The story unfolds through a third-person perspective that emphasizes the tension between the detective's analytical mind and the elusive, shifting reality of the crime scene.

This work is frequently cited as a quintessential example of the Australian detective genre, showcasing Upfield's ability to integrate landscape with criminal investigation. Readers often note the distinctive voice of Napoleon Bonaparte, whose presence provides a sharp contrast to the traditional tropes of the era's mystery novels. The pacing is described as measured and atmospheric, allowing the setting to function as a character in its own right. Critics and enthusiasts alike appreciate the technical precision of the investigation, which avoids sensationalism in favor of logical progression. The novel remains a significant entry in the series, valued for its authentic depiction of regional Australian life during the mid-twentieth century.