In 1908, Mexican captain Ramón Arnaud and his young bride, Alicia, set sail for Clipperton, a tiny Pacific atoll once dubbed "Isle of Passion" by Spanish explorers. Accompanied by eleven soldiers and their families, the captain is under orders to defend the isolated but strategically well situated island against an improbable French invasion. With its treacherous coral reef and stagnant lagoon, Clipperton is a dire, forbidding place for the new inhabitants. Rigid military order soon gives way to more informal island living, but under Ramón's guidance and inspired by Alicia's determination the group manages to create a viable community. There are a food store, pharmacy, lighthouse, even dinner parties. But then, amid political upheaval at home and the first rumblings of World War I, the Clipperton residents are forgotten. The supply ship slated to come every two months comes every third, then sixth, then not at all. Left to the mercies of nature and each other, they fall victim one by one to scurvy, hunger, despair, rivalry, lust and, ultimately, violence.