简介：AttheoutsetofWorldWarII,JuneMcCarthymeetsCarlCutleraboardtheS.S.Aleria,aBritishvesselenroutetoNewYorkfromLondon,whereshehasbeendancing.Theshipissunkinmid-voyagebyanunidentifiedsubmarine,andCutleraidsinrescuingJune.AstheyarrivesafelyinManhattan,JuneasksCutlertocontactherfiancé,JimmyMadden,abouttheuseofhisstrandedfreighter,"Apache",inCutler's"importbusiness."Bythisaction,shehasunwittinglyaidedCutler,whoisanundercoverNazinavalofficer,withacquiringa"mothership"forGermansubmarinesintheAtlantic.Cutlerchartersthe"Apache"andalsokidnapsJunewho,hefears,mightrealizehewasresponsibleforthesinkingofthe"Alleria."Whentheshipisatsea,asubmarinecomesalong-side,andthecrewclimbsaboardtobemetbyCutlerandhisaidesinfulluniform.MaddenisinformedthatCutlerisnowtheship'scaptain,andthentakestheshiponmissionsofcommerceraidingintheCarribbean,withMaddenandhiscrewimprisonedintheship'shold.JuneisallowedfreedomoftheshipandMaddenbelievessheisanaccompliceofCutler's.SheregainshisfavorandtrustwhensheconceivestheideaofcuttingcarbideflaresfromthelifepreserversforfloatingS.O.S.messages…