From the #1 international bestselling author with more than 2 million books sold. When two dead bodies are found in shallow graves, all roads lead to one conclusion—people trafficking. As Knight and Culverhouse investigate, they discover a web of corruption that leads to the very top. With their investigation blocked at every turn, someone in power needs to ensure their secrets are kept. Knowing the truth gets people killed. Can they uncover the criminals behind the ring before more innocent lives are lost? 'Incredible' — BBC News A 'sensation' — The Guardian