根据(👷)韩战(zhàn )期(qī )(⛲)间真(zhēn )实战(📼)事(shì )改编。1950年6月25日，北(běi )韩挥军越(yuè )过(🎹)三(🆖)八(bā )线突袭南韩(hán )，三日(🐮)攻陷汉城（今首尔），战(zhàn )线不(bú )(🏇)断南进。在美军及(🕔)联合国(🎩)军支援(yuán )下，南韩军逆势反(🔲)击。美(🚉)军指挥(🐖)官(guān )麦克(📞)亚瑟提(🥞)出代号为「铁铬行(háng )动(🚑)」的仁(🕕)川登陆计划，该计划(🌙)急(jí )需一支大队的兵力(🛑)从(cóng )侧翼阻击扰(💱)敌、(🌑)声东击西，通过(guò )长沙(shā )(📙)里切(qiē )断北韩军的补给(🙄)线。 由于任务本身(🈴)极其(qí )艰钜，加上南韩国军当时兵(👺)力薄弱(🤳)，无法抽(chōu )调足够(gòu )(🧣)正规军(🕯)支援，军方不得不(💹)把(bǎ )这项(🥊)任务交付(fù )(💍)给772名(🈸)学生(shēng )(🏻)兵执(🌹)行，这些(xiē )(🥋)学(xué )生兵(🌪)平均年龄(💹)只(📟)有(yǒu )17岁(🔈)，仅仅接受了两星期(qī )的军事训练，在毫无实(shí )战经验的(🥅)情况下(xià )投身战场。行军路上固(gù )然(rán )杀(🖍)机(🔫)重(chóng )重，战(zhàn )友内部(🏓)也诸(zhū )多衝突，年少气盛，迸发出各种角力。 仁川登陆战(zhàn )前夕，长(zhǎng )沙里登陆任务(wù )(💁)如期(qī )执行，这(🈳)群徒(tú )有一(🔍)腔热(rè )血(xuè )但(dàn )战力薄弱(💛)的学生们，无可避免地接受命运(yùn )中最(zuì )残酷(♊)的考验：(🍉)穿越炮火(huǒ )与海(🎆)浪(làng )，浴血长滩，馀(yú )下部队身陷敌军重(chóng )重围剿(jiǎo )，直(zhí )至(🤠)弹尽粮(liáng )绝，挣(👧)扎(zhā )于(🕤)阵亡与倖存的分界线上… Based on the incredible true story of Jangsari Landing Operation. When North Korea invades South Korea on June 25, 1950, they pushed South Korea and its ally US Army to the southernmost city. U.S. General MacArthur planned Operation Chromite, which would see the joint allied forces to take back a strategic location of Inchon and in order for it to succeed, he needed a small battalion to flank the North Korean army and eliminate their supply line at Jangsari beach. Having lost his family on his retreat away from North Korea before the War, a model student Choi Sung-pil enlists in the army to fight for the South. Ki Ha-ryun is a rebellious youth from the South who volunteers to fight in the war. All of the 772 students and youths are like them who are barely out of school with only 2 weeks of boot camp training. Task force commander Captain Lee Myung-jun knows that it’s a long shot, but he has no choice but to lead them into a crucial mission. Meanwhile, US war correspondent Maggie braves the dangers of the battlefield to report on the war in the frontlines. She feels empathy for the Korean students who must go into battle on behalf of the veteran soldiers for their country, and tries to do what she can on her end to rescue them. With little ammo, scant food supplies and raggedy weapons, can the students successfully carry out their mission and return home safely?