简介：<p>　　U.SPostalInspectorsarecalledinwhena&nbsp;suburbancouplearekilledbyamailbomb.Suspicionimmediatelyfallsonthecouple's&nbsp;estrangedandheavilyindebtson,who&nbsp;alsojusthappenstobeaNavymunitions&nbsp;expert.Butinvestigationsrevealthatheis&nbsp;ontherunfromapasteventinhislifethatisassociatedwiththebombings.</p>…