1927年,滇(diān )军策(✒)应广(🥇)东革命(mìng )政(🐌)府北(🔼)伐号(🃏)召征讨军阀唐继尧,双方激战昆(kūn )明城外。马夫兵杨志华凭(🥩)借天赋一炮命中(⏬)杜(🎲)清时的战地指挥所,虽然战(zhàn )败被(👑)俘,却因(yīn )神(🎡)炮技(jì )艺(👁)死里(lǐ )逃生。杨志华阴(yīn )差阳错考入讲武堂(🗑),和高(gāo )材生杜清明冲(🐶)突(🥀)频发。但其得到教官枝野胜男(🚣)的严酷(kù )训练,成(chéng )为(😞)最(🖲)没文化的(🦗)神炮手(shǒu )。抗日战争爆发,杨(✋)志华加入八路军(🙄)部队奔赴华北战场,意外(wài )与杜清明重(chóng )逢。一个(gè )(⛳)八(bā )路(💠)军营长,一个(🥕)国民党(dǎng )教(jiāo )官,二(èr )人摒弃前嫌,携手(shǒu )抗敌,与枝(zhī )野(yě )胜男多(duō )次较(jiào )(🦇)量,师生决(🐛)战战(⛏)场(chǎng )。枝(zhī )野胜男(nán )出尽奇招,组建特(tè )种部队,杨志华的(🤔)炮兵(🔍)营多(🤥)次(⏲)陷入(🔤)危(👌)机。历经挫折考(kǎo )验(yàn )(🥅),杨志华和杜清明反败为胜(shèng ),在关键战役(yì )打(dǎ )败枝(📞)野(yě )胜(🏓)男而名(🍁)声大(dà )噪(🕕)。抗战(zhàn )胜利(lì )(🚻),国共(gòng )(🐂)分(fèn )裂,杨志华和杜清明(✖)又在(zài )济南战(zhàn )役(yì )(🚩)兵(bīng )戎相见。