The young and vigorous Huo Yuanjia was only focused on "subjugating people by force", and therefore had a rift with his father and ran away from home. When he first arrived in Jinmen, he met Nong Jinsun who secretly escorted the reformers, and Zheng Yi shot out the crisis of the agriculture, and the two became friends. Nong Jinsun persuaded him to use a good martial art to open a martial arts hall to strengthen the people and the country.

年轻气盛的霍元甲一心只有“以武服人”，并因此与父亲产生嫌隙离家出走。初到津门的他遇到暗地护送维新人士的农劲荪，仗义出手解了农的危机，二人由此结为好友。农劲荪劝他把一身好武艺用来开设武馆强民强国，想在津门立足的霍元甲欣然同意，但当时津门规矩，想设馆授徒必先击败七家现存武馆 以证实力。七武楼里，霍元甲签下生死状，孤身挑战七大名门武馆，虽然最后霍元甲赢下了这场比武，却被接收密令截杀维新人士的朝廷反动势力诬陷成了杀死大刀王五爱徒的凶手。此时农劲荪也被反动势力囚禁，被爱国人士们打动的霍元甲终于明白，时代洪流裹挟的是每一个人，在国家大义面前人人有责。他决定代替农劲荪护送维新人士入京,并只身前往诛杀反动势力的袁效忠……