The bang of a metal door brought her head around. She frowned, peering deeper into the alley. The office buildings in this part of town had been closed for hours. Lights still burned in some of the upper stories, but only for the benefit of the cleaning crews. Were they coming out into the alley to empty the trash? Pita hunched down in the shadow of the chesterfield and giggled. This was just like playing Hide and Search, the virtual reality game she’d enjoyed so much as a kid. She even felt like a computer icon, all thin and transparent.