Hotels, late at night, are never still. The corridors are never entirely silent. There are countless barely audible sighs, the rustling of sheets, and muffled voices speaking fragments out of sleep. But in the ninth-floor corridor, Coretti seemed to move through a perfect vacuum, soundless, his shoes making no sound at all on the colorless carpet and even the beating of his outsider’s heart sucked away into the vague pattern that decorated the wallpaper.