To unravel a murder mystery, investigators dig up secrets long thought buried, and come face-to-face with people who will do anything to keep those secrets in the ground.To unravel a murder mystery, investigators dig up secrets long thought buried, and come face-to-face with people who will do anything to keep those secrets in the ground.To unravel a murder mystery, investigators dig up secrets long thought buried, and come face-to-face with people who will do anything to keep those secrets in the ground.