On the French Polynesian island of Tahiti, De Roller, the High Commissioner of the Republic—a French government official—is a calculating man with flawless manners. His somewhat broad perception of his role sees him navigating both high-end, establishment locales, as well as shadier venues where he mingles with the locals especially since a persistent rumour has surfaced: a submarine has been sighted, and its ghostly presence could herald the return of the nuclear testing halted by France in the 1990s.