An ambitious immigrant's dream of a Californian empire crumbles with the discovery of gold. John Sutter, a Swiss pioneer, carves out a vast agricultural domain in California, driven by a relentless desire for expansion and success. His meticulously planned enterprise, built on hard work and vision, faces an existential threat when gold is discovered at his own mill in 1849. The ensuing gold rush transforms his carefully constructed world into a chaotic free-for-all, pitting his authority against the insatiable greed of prospectors and the changing landscape of the territory.

Blaise Cendrars' "Or" offers a compelling, albeit fictionalized, portrayal of John Sutter's rise and fall amidst the California Gold Rush. The narrative captures the dramatic tension between Sutter's vision of a structured agricultural empire and the disruptive force of sudden wealth. Readers often note the novel's vivid depiction of the era's transformative chaos and the personal toll it took on its central figure. The story serves as a potent exploration of ambition, discovery, and the often-unforeseen consequences of fortune.