Obit writer Leo Nash returns to his sleepy Vermont hometown, only to plunge into a mystery when a teenager named Cora vanishes during the eerie "Vanishing Hour"—that golden moment just before sunset. Teaming with the girl's best friend and a man who's spent thirty years searching for his own missing sister, Leo uncovers a pattern of disappearances stretching back centuries. His investigation leads to a terrifying truth: the golden light isn't just beautiful—it's a doorway. And some doors, once opened, don't easily close.