1861年，JohnnieGray（巴斯特·基顿BusterKeaton饰）是西部大西洋火车公司的一名员工，深爱着他的火车“将军号”，还有他的未婚妻（MarionMack饰）。南北战争爆发了，他的未婚妻让他去从军，军方却拒绝了他，认为让他开火车更有价值。他的未婚妻很生气，发誓除非看见他穿军装的样子，不然再也不和他说话。北军正在计划一个阴谋，准备劫走“将军号”，给南军来一次突袭。Johnnie发现了北军的诡计，更意外的在北军的阵营里解救了他的未婚妻。他必须将北军要突袭的情报带回南军的阵地，他一路上驾驶着“将军号”，遭遇重重追击。南北军大战一触即发.....ddd

　　WealthyRolloTreadway(BusterKeaton)suddenlydecidestoproposetohisneighboracrossthestreet,BetsyO'Brien(KathrynMcGuire),andsendshisservanttobookpassageforahoneymoonseacruisetoHonolulu.WhenBetsyrejectshissuddenofferhowever,hedecidestogoonthetripanyway,boardingwithoutdelaythatnight.Becausethepiernumberispartiallycovered,heendsuponthewrongship,theNavigator,whichBetsy'srichfather(FrederickVroom)hasjustsoldtoasmallcountryatwarccc　　Agentsfortheothersmallnationintheconflictdecidetosettheshipadriftthatsamenight.WhenBetsy'sfatherchecksupontheship,heiscapturedandtiedupbythesaboteurs.Betsyhearshiscryforhelpandboardstheshiptolookforhim,justbeforeitiscutloose.　　TheNavigatordriftsoutintothePacificOcean.Thetwounwittingpassengerseventuallyfindeachother.Atfirst,theyhavegreatdifficultylookingafterthemselves,butadaptafterafewweeks.Atonepoint,theysightanavyshipandhoistabrightly-coloredflag,notrealizingitsignalsthattheshipisunderquarantine.Asaresult,theothervesselturnsaway.　　Finally,theshipgroundsitselfnearaninhabitedtropicalislandandspringsaleak.WhileRollodonsadeepseadivingsuitandsubmergestopatchthehole,theblacknativescanoeoutandtakeBetsycaptive.WhenRolloemergesfromtheocean,thenativesarescaredoff,enablinghimtorescueBetsyandtakeherbacktotheship.Thenativesreturnandtrytoboardtheship.Afterafiercestruggle,RolloandBetsytrytoescapeinasmalldinghy.Itstartstosink,andthenativesswiftlyovertakethemintheircanoes.Justwhenallseemslost,anavysubmarinesurfacesrightunderneaththemandtheyaresaved.