Fan favourites Nora Kelly and Corrie Swanson return in the new thriller from international bestsellers Preston and Child.Forced to leave her post at the Santa Fe Archaeological Institute, Nora Kelly is left without a job and without any prospects. So when billionaire Lucas Tappan invites her to lead his excavation of the infamous Roswell landing site, she has no choice but to make a decision that could destroy her reputation.Armed with a healthy dose of scepticism, Nora reluctantly agrees to visit the site. When the preliminary scans of the area reveal a suspected Native American burial site, Nora takes a closer look.But this is no indigenous burial site. It's a crime scene, and a recent one at that. Nora uncovers two dead bodies, one with a bullet hole in its skull. Dead bodies mean this has become a case for the FBI, and Nora knows just the person to investigate - Special Agent Corrie Swanson.As Corrie and Nora dig deeper into the mystery, they will uncover more questions than answers. And the truth they seek will be even stranger than the conspiracy it hides behind.