简介：TheC.I.A.discoversaRussianplottoassassinatefivedefectivesontheChristmasDay,buttheydonotknowwhotheyare.ThedefectiveAlexHolbeckisrecruitedinParisbytheC.I.A.andsenttoEastBerlintostealthescrambleroftheEnigma,themachineusedbySovietintelligenceforcommunication.Onarrival,HolbeckdiscoversthattheK.G.B.andtheEastGermangovernmentknowthathehasarrivedandhiscontactsarearrested.Holbeckmeetshisformerlover,lawyerKarenReinhardt,andshegiveshimasafehouse.RussianAgentDimitriVasilikovandEastGermanAgentKurtLimmertrytofindHolbeck'swhereaboutsusingdifferentmethods,whileKarenseducesDimitritogettheinformationaboutthelocationofthesoldiersthatHolbeckneeds.However,HolbeckdoesnotknowthattheC.I.A.hasthescrambler,andheisonlythebaittoconvincetheRussiansthattheydonothaveit.…