When a stagecoach is ambushed by ruthless outlaws in the Arizona desert, a man raised by Apaches becomes the only hope for survival for the passengers who despise him. John Russell, the protagonist, finds himself in a precarious position as he attempts to transition from his life among the Apache to the white world. He must navigate the deep-seated prejudices of his fellow travelers while utilizing his survival skills to protect them from a lethal threat. The narrative maintains a lean, objective perspective, focusing on the immediate physical dangers of the terrain and the shifting power dynamics within the group.

Readers and critics frequently note the efficiency of Leonard's prose, which avoids unnecessary ornamentation in favor of sharp, impactful dialogue. Discussion often centers on the protagonist's stoic nature and the way his background creates a natural friction with the other characters. Many observers highlight the book's ability to maintain suspense through character interaction rather than relying solely on action sequences. The work is often cited as a prime example of how the author applies his signature crime-writing sensibilities to the western genre. Readers appreciate the lack of sentimentality, which keeps the narrative grounded and focused on the immediate struggle for survival.