新入伍(wǔ )的战士李(lǐ )正良(✒)(赵(zhào )矛 饰)从(cóng )小(xiǎo )就有英雄情(qíng )(🕟)结,他对水(🤢)手长陈(chén )福(fú )海(孟庆良 饰(shì ))(🍖)日(rì )(🔬)常训练(🐮)的苛求彼有意见。一次参(cān )(❣)加演(yǎn )练,由于(🚤)李正(⚫)良脑子里没有敌情观念(🕖),受到水手长批评(píng ),心里(lǐ )(🚥)很(hěn )不(bú )服(fú )气。解放大东岛(🍮)的战斗开始了,李正良立功心(xīn )(🤷)切,艇长(zhǎng )让(🌙)他跟(🧚)水手长一起(📯)接应我(wǒ )侦察(chá )(🖲)小(xiǎo )组,行动之前,水(🥎)手长告诉他(tā )此次(✋)任务一定要沉着冷(lěng )静,万不(💪)可惊动敌(🈴)人,否则(🤷)后果(🧤)难测。但(🕙)缺乏(fá )经验(yàn )的李正良过早暴(bào )露了目标,召(🕯)致敌人火(huǒ )(🤘)力围攻(gōng ),关(💔)健时刻,水手(💍)长果(🐾)断吸引敌人火力,使李正(zhèng )良安全(quán )脱险(🌼),李正良大为感动。水(shuǐ )手长不(bú )顾个人(rén )安危(wēi )(🤥)的革命英雄主义品质在(zài )实战中教(🍽)育(yù )了李正(🚲)良,他(tā )开始(🌱)思索个人英雄(💣)主(🔥)义(🚡)给战斗(dòu )带来的危害(🔲)......