When her investigation of a find from a remote Philippines dig leads her to the scene of her ex-fiancé's murder, forensic anthropologist Kelsey Quinn turns to Navy SEAL Gage Brewer for help in unraveling a deadly conspiracy.

When local rock climbers stumble upon abandoned human bones in a remote Texas gorge, Sara Lockhart is the first to get the call. She has a reputation as one of the nation's top forensic anthropologists, and police detective Nolan Hess knows she is just the expert he needs to help unravel this case. Although evidence is scarce, Nolan suspects the bones belong to a teenage climber who vanished last summer. But as Sara unearths strange clues, she finds...