They live among us. Pretenders, Seekers, and Scholars that don't belong in our time. Sarah Weston knows who they are. It's her job to play babysitter, concierge, and occasional bouncer to these time-traveling tourists. She monitors their movements and tracks them in the streets to make sure they don't break the course of history. Until one day they do. When an unsanctioned injured time traveler runs right into the middle of Sarah's operation, it will...