“Ivy Street. It’s on Ivy Street.” Katrin Lewis repeated these words over and over to herself as she navigated through downtown Philadelphia. “Ivy Street.” The words made her shiver every time she thought of them. The name implied a quiet, pretty street, probably in the upper class part of town. Yet Katrin knew that Ivy Street was probably a dark an secluded alley lined with abandoned warehouses in the ghetto of Philadelphia. It was exactly the kind of street they would send her too.