"e;The safest lock is the one your landlord cannot open. Unfortunately, that lock has never been manufactured."e;Simone Avery, a successful Chicago therapist, returns to her high-rise apartment at the Bellweather to find a warm pair of boots by the door and a stranger making herself at home. The stranger, Laurel Kane, claims they have been roommates for three years. She has the backdated lease amendment, the building-issued key fob, and the utility bills to prove it.Simone is certain she lives alone. But as Laurel seamlessly integrates into the apartment—perfectly predicting Simone's habits and eerily replicating the obsessive routines of Simone's confidential patients—certainty turns to terror. Laurel isn't just a squatter; she's a carefully planted operative.Forced to investigate the architectural and digital hijacking of her own life, Simone uncovers a chilling truth hidden behind a false wall in her closet. Her landlord, Gerald Olmsted, is the grieving father of a former patient Simone failed—a young woman whose tragedy Simone carelessly used as an anonymous case study at a professional conference. Now, Gerald controls the building, the security systems, and Simone's reality. Worse, he has stolen Simone's confidential patient files to turn her professional ruin into a streaming documentary series.Trapped in a psychological siege where calling the police would expose her own ethical destruction, Simone must outmaneuver the architects of her downfall before they broadcast her patients' darkest secrets to the world.