A story that follows Wei Da He, a man who was once fighting against the Communists. Due to his experiences, his ideas begin to change and he eventually becomes a member of the Communist party.

Set against the backdrop of the Xi'an Incident, Wei Da He achieved a win after successfully capturing Tong Guan. Despite the merits that he has earned, Wei Dahe is dismissed and sent home due to his conflict with Gao Xiao Shan of the Red Army. As the war erupted, Wei Dahe returns to the frontlines and rescues military adviser Jiang Huai Zhu. He falls in love with Jiang Huaizhu's daughter Jiang Ya Zhen without knowing that she is a member of the Communist underground.

西安事变时，因率部抢占赤水河扭转事变局势的卫大河被贬回乡。抗战爆发，他重返前线，被派往由国共两党共同组建的中条山游击纵队，面对各种势力的相互倾轧，卫大河依然屡建奇功。在八路军团长高晓山、我党地下工作者付洋、姜雅真等人的帮助下，在与日军进行了骑马山、雪花山、永济血战及保卫根据地等一系列残酷斗争后，卫大河经历了人生蜕变，成长为一名优秀的共产党员。高晓山牺牲后，卫大河为保住游击纵队与国民党顽固派斗智斗勇，同时率陕军在中条山地区英勇抗战。他熟练地运用游击战术与日军周旋，迫使杵村久藏无法出兵，彻底粉碎了日军西进的战略企图。最终率残部于贵人峁牵制日军主力，宁死不降，血战到底，用生命谱写了一曲壮丽的英雄赞歌