讲述的是2002年6月发生在韩国西海海域上发生的“第2延坪海战”，金武烈将饰演历史上真实存在的人物——延坪海战中以身殉职的海军大尉尹永河。而秦久则饰演战斗到生命最后一刻的中尉韩尚国，兵长朴东赫一角则由李玹雨饰演。Based on the true story that is known as the second battle of Yeonpyeong, this movie tells the story of some of the young soldiers who fought and died in the battle. The battle took place in the yellow sea on 29th of June in 2002, when two North-Korean vessels boarded the NLL - the Northern Limit Line - and fired at the South-Korean patrol boat named Chamsuri 357, killing six men and left 18 injured.