Afterservingtwoyearsonamilitaryoutpostinthemiddleofanocean–foursoldiersarewaitingforanewcrewtoreplacethem.Whenthelong-awaitedboatfinallyappears,it’semptywithnoreliefonboard.Whentryingtofindoutwhathappenedtotheboatandthemissingcrew,theyrealizethey’velostallcommunicationswithhome.Cutofffromtherestoftheworldandnoonecomingtogetthem,Baines,Sullivan,CassidyandHendryxmustfightwithsuspicionsabouteachotherandfindanewwaytogethome.Ifhomestillexists.