A forensic anthropologist uncovers a vast human trafficking ring while investigating seemingly unrelated deaths. Dr. Temperance Brennan is drawn into a complex case involving a deceased businessman, the illicit trade of mummified dogs from Peru, and a fatal hit-and-run accident. As she delves deeper, she uncovers a disturbing connection to a human trafficking operation that spans continents, from South America to Afghanistan. The investigation becomes personal when she realizes her estranged husband may have ties to the very organization she is trying to dismantle.

This installment in the Temperance Brennan series continues to blend forensic detail with thrilling suspense, offering readers a complex mystery that spans international borders. The narrative skillfully weaves together disparate elements, from ancient artifacts to modern-day human trafficking, creating a compelling plot. Readers familiar with Reichs' work will find the signature blend of scientific accuracy and character-driven drama. The escalating personal stakes for Brennan add an emotional depth to the unfolding investigation, making for a gripping read.