In the latest novel by a New York Times bestselling author, an SCU team investigates a disturbing string of disappearances. Something strange is happening in the small mountain town of Serenity, Tennessee. People going on routine errands never reach their destination. Over the past weeks. It's happened to five men and women - and now a child. A team from the FBI's Special Crimes until is immediately sent in. The town is already on the edge of panic, but when a cop is killed, the team's hunt for the lost turns into something very personal. . . and very dangerous.