Dr. Lauren Wagner was a celebrity. She was involved with the most exciting adventure mankind had ever undertaken. The whole world admired and respected her. But Lauren knew fear.

Inside--voices entreating her to love them.

Outside--the mystery of the missing group that had gone before her. The dead group. But were they simply dead? Or something else?

A terrifying novel of horror--and, surprisingly, of salvation--from one of America's bestselling writers. A novel you won't forget.