The partners dive into a 50year-old Vietnam War mystery: What happened to Lt. Felipe Aznar, a West Pointer and an infantry officer who disappeared while on emergency leave from Vietnam and is listed as a deserter? When someone using his name books a roundtrip flight from Los Angeles to Houston, the CID is alerted. The FBI says that Aznar is one name used by a suspected killer-for-hire who has murdered at least sixty men going back thirty years. Against the backdrop of still mysterious events that occurred during the Vietnam War, Chelmin and Spaulding begin their search in Southern California and run into a hornet's nest. Only after surviving multiple attempts to shoot them, abduct them, and blow up their hotel.do they learn that Lt. Aznar is long dead and the man they seek may have killed him and stolen his identity.
