Mary has a bedroom the size of most people's apartments, a phone she isn't allowed to lock, and a father who owns enough of the city that the mayor takes his calls. She also has Jonah, and Jonah is the problem.
One stolen night. A party on the wrong side of town. And then the sky catches fire, and every soul in the city runs for the Arks ( the hundred-year-old evacuation shuttles nobody ever believed would fly.)