韓戰於1950年爆發，從未受過正式軍事訓練的振太(張東健)和振碩(元斌)被強召入隊。振太為求弟弟可以豁免軍役，不惜參加自殺式襲擊行動，冒死嬴取[榮譽徽章]，希望以此作為換取弟弟回家的條件。但單純善良的振碩卻以為哥哥藉拯救他离開戰場為由，來掩飾自己虛榮貪功的野心。隨著戰況愈加激烈，以及一次比一次危險的自殺式襲擊行動，倆兄弟之間的誤會和沖突不斷加劇。直至振碩看到一封哥哥寫給母親的家書，才真正明瞭哥哥的用心，他隨即作出了一個出乎意料的決定...。

Can the cruelties of war destroy the ties of brotherhood? The full impact of brotherly love is shown in this touching Korean blockbuster that teams up superstars JANG DONG-GUN and WON BIN. Its tale revolves around two brothers who are enlisted in the army by force during the outbreak of the Korean War in the 50's. Jin Tae (JANG DONG-GUN) makes every effort to excel in his duties in order to achieve an early release from the military services for his younger brother Jin Seok (WON BIN). Unaware of his brother's good intentions, the misunderstandings between the two involuntary soldiers keep on accumulating until Jin Seok unintentionally comes across an un-posted letter to his family and makes a fateful decision...