仁川登陆战前夕，长沙里登陆任务如期执行，这群徒有一腔热血但战力薄弱的学生们，无可避免地接受命运中最残酷的考验：穿越炮火与海浪，浴血长滩，馀下部队身陷敌军重重围剿，直至弹尽粮绝，挣扎于阵亡与倖存的分界线上…BasedontheincredibletruestoryofJangsariLandingOperation.WhenNorthKoreainvadesSouthKoreaonJune25,1950,theypushedSouthKoreaanditsallyUSArmytothesouthernmostcity.U.S.GeneralMacArthurplannedOperationChromite,whichwouldseethejointalliedforcestotakebackastrategiclocationofInchonandinorderforittosucceed,heneededasmallbattaliontoflanktheNorthKoreanarmyandeliminatetheirsupplylineatJangsaribeach.HavinglosthisfamilyonhisretreatawayfromNorthKoreabeforetheWar,amodelstudentChoiSung-pilenlistsinthearmytofightfortheSouth.KiHa-ryunisarebelliousyouthfromtheSouthwhovolunteerstofightinthewar.Allofthe772studentsandyouthsarelikethemwhoarebarelyoutofschoolwithonly2weeksofbootcamptraining.TaskforcecommanderCaptainLeeMyung-junknowsthatitsalongshot,buthehasnochoicebuttoleadthemintoacrucialmission.Meanwhile,USwarcorrespondentMaggiebravesthedangersofthebattlefieldtoreportonthewarinthefrontlines.ShefeelsempathyfortheKoreanstudentswhomustgointobattleonbehalfoftheveteransoldiersfortheircountry,andtriestodowhatshecanonherendtorescuethem.Withlittleammo,scantfoodsuppliesandraggedyweapons,canthestudentssuccessfullycarryouttheirmissionandreturnhomesafely?。
