Twenty-four years ago, "God of Sabre" Yang Changfeng was double-crossed and murdered by someone close to him. Now his son Fu Hongxue, a skilled swordsman himself, sets out to avenge his father's death. During his journey, Hongxue meets with kindness and treachery, is conflicted by love and hatred, and eventually discovers the shocking truth behind his birth.

该剧以中日甲午海战为背景,主人公不是历史上名声显要的人物,而是将关注的目光投向通过一群生活和战斗在“定远”舰上的水兵们,从小人物的角度反映出中华民族在大敌当前的危难时刻所表现出的无畏不惧,舍生取义的民族精神和爱国情操。