新四军战士顺溜枪击汉奸吴司令时，却误打了自己的司令陈大雷。脱险的陈大雷让顺溜枪击手中的火柴盒后，认定顺溜是一个天生的“神枪手”。酒后，他知道顺溜是用狼奶养大的一个猎人的孩子，遂和顺溜称兄道弟。顺溜改名陈二雷后不负所望，在打鬼子的战斗中立了赫赫战功。二雷成了传奇人物，战斗英雄。他骑着司令的大洋马去看望姐姐和他心中的女孩，为了她们的幸福，他要多打鬼子再立战功……

Soldiers of the New Fourth Army commander顺溜shooting Miss traitor, they mistakenly had their commander Chen Lei. Lei Chen out of danger so that the顺溜matchbox hands after the shooting, that is a natural顺溜"sharpshooter." Drink, he knew that the wolf is顺溜milk hunter raised a child, then call each other brothers and顺溜. Lei Chen顺溜renamed by looking after the trust in the neutrality of the fighting打鬼子illustrious military exploits. Second, Ray became a legend, hero. Commander of the ocean, he rode horses and his sister went to see the hearts of the girls, in order to their happiness, he should re-enact military exploits打鬼子... ...