Returning to her hometown—the eponymous planned community, oriented around a factory—Danielle Dean alloys fiction and documentary, collective memory and autobiography, amid a hail of meteorites. Borrowing from Quatermass II, a midcentury science-fiction thriller shot in Hemel Hempstead as it was still being built, her film renders small-town xenophobia and corporate drudgery in the heightened tenor of an alien invasion plot.