There were rumors—always rumors—that Penny had lit something inside the walls. Some said she kept a secret that heated the air, a file of letters with the corners eaten away by fervor. Others whispered of a lover who visited and left a trail like cigarette smoke: beautiful, ephemeral, and slightly wrong. The building’s maintenance man, a man who cataloged temperature fluctuations like an archivist, insisted the heat did not come from pipes or wiring. "Feels like a person who won't leave," he said once, when asked. "Like a story that keeps telling itself."