AtLosAlamos,NewMexico,themaximum-security"atomiccity"ofU.S.nuclear-weaponsresearch,topatomicscientistFrankAddisonhasanormal,middle-Americanlifewithhiswifeandson...untiltheboyiskidnappedbyenemyagentstoextortH-bombsecrets.Result,afastmovingchasethrillerwithsomeparentalsoul-searching.