People rarely noticed Lillian Parker when she moved through the corridors of the Meridian Tower in downtown San Diego, even though her reflection appeared everywhere in the glass walls and polished floors she kept immaculate. She arrived before sunrise each morning, carrying a canvas bag that held her gloves, her lunch, and a paperback novel whose pages had grown soft from rereading. By the time executives arrived with their coffee cups and confident strides, the building already gleamed, and Lillian had already learned something new about the people who passed her by without meeting her eyes.

She did not resent the work. What weighed on her was not the mop or the long hours, but the way invisibility became a habit imposed by others. Conversations floated above her head as if she were part of the furniture. Financial plans were discussed near copy machines. Affairs were confessed by elevators. Private jokes were made loudly because no one imagined that a woman in a cleaning uniform could be listening, understanding, or remembering.