The novel follows the story of a young boy in New Mexico in the 1940s who navigates the challenges of adolescence, faith, and identity with the guidance of a wise old woman named Ultima. Throughout the narrative, the boy grapples with moral dilemmas, the complexities of his Mexican-American heritage, and the clash between the Catholic faith and the traditional spiritual beliefs of his ancestors. The story is a rich tapestry of folklore, spirituality, and personal growth.

Set on a Navajo reservation during World War II, "The Bronc People" explores the complex relationships and cultural tensions between the Native American inhabitants and the white government officials. The story is centered on a young Navajo man who is torn between his traditional lifestyle and the modern world. The book provides a deep insight into the Navajo culture, their spiritual beliefs, and their struggle to preserve their identity amid external influences.