Rain came the day she returned. The city had been rinsed clean, and the apartment smelled like pages and lemons. Mara found the external drive in a drawer below a stack of notebooks. She plugged it in out of habit, more to feel the familiar whirr than to salvage anything. The drive spun, a tiny galaxy, and the Finder revealed a single file: "Mac OS X Lion 10.7.2.dmg — fixed."