Investigating a plane crash in the smoky mountains in north carolina, forensic anthropologist temperance brennan discovers in a most disturbing way that the evidence doesn't add up. Tripping over a coyote-chewed leg at t...Investigating a plane crash in the smoky mountains in north carolina, forensic anthropologist temperance brennan discovers in a most disturbing way that the evidence doesn't add up. Tripping over a coyote-chewed leg at the crash scene, she performs a little mental arithmetic and realizes that this victim wasn't on the plane.