Chapter 5: What the Walls Know

Two weeks into the marriage, Sienna started keeping a notebook. Not a diary — she was careful about that distinction, careful enough to hide it inside the lining of a suitcase she never unpacked — but a record. Names. Times. The black car had returned twice more, always at night, always for exactly long enough to feel deliberate. She wrote down who was in the house on those nights and who wasn't....