Isabelle Rossiter has run away again. When Aidan Waits, a troubled junior detective, is summoned to her father’s penthouse home – he finds a manipulative man, with powerful friends. But retracing Isabelle’s steps through a dark, nocturnal world, Waits finds something else. An intelligent seventeen-year-old girl who’s scared to death of something. As he investigates her story, and the unsolved disappearance of a young woman just like her, he realizes Isabelle was right to run away. Soon Waits..