VisitinginEngland,famedAmericansurgeonDoctorJohnMarloweisdecoyedtoamiddleEuropeancountry,anddiscoverstheoperationheistoperformisontheVosniandictator.Whenthelatterdies,heisreplacedbyalook-alike,butMarloweistheobjectofashoot-to-kill,viciouspursuitbythesecretpoliceofVosniasinceitisvitaltoVosniathatthedictator’sdeathdoesnotbecomeknown.Fleeing,heseekshelpfromanEnglish-speakingactress,LisaRobinson,andthetwoareharriedacrossthecountrysidebeforebeingcaptured.