From the author of Red Cat and Thick as Thieves: a gripping new thriller about a doctor with a potent humanitarian impulse, an unhealthy appetite for risk, and a knack for finding himself between a rock and a hard place.

When Dr. Adam Knox served with an NGO in Central African Republic, his attempt to protect patients from a brutal militia ended in disaster and disgrace. Now he runs a clinic near Los Angeles's Skid Row, making ends meet by making house calls--for cash and no questions asked--on those too famous or too criminal to seek other medical care. When a young boy is abandoned at his clinic, Knox is determined to find his family and save him from the not-so-tender mercies of the child welfare bureaucracy. Knox's search for the volatile woman who may or may not be the boy's mother leads him and his friend--former Special Forces operator Ben Sutter--into a labyrinth of human traffickers, Russian mobsters, and corporate security thugs, and to a...