Until she discovers that the man is John Lowery, an ex-soldier who was apparently killed in Vietnam in 1968. So who is buried in Lowery's grave? The case takes Tempe to the heart of the American military, where she must examine the remains of anyone whomay have had a connection to the drowned man. It's a harrowing task, but it pays off when she finds Lowery's dog tags amongst the bones of a long-dead soldier.