Thời Dân Quốc, Phổ Nghi thoái vị, thời cuộc rối ren. Hình Ý Chưởng Quán nhà họ Mặc, Mặc Thủ Thành lo cho an nguy đất nước. Tại Đại hội Võ sĩ Thiên Tân, Mặc Thủ Thành mất mạng vì bị đại đệ tử Quý Như Phong đánh lén. Trước khi đấu võ, Mặc Thủ Thành đã sắp xếp cho ba người con chạy trốn đến Thượng Hải. Con trai trưởng Mặc Vân Liệt vất vả mưu sinh lo cho hai người em trai. Còn Quý Như Phong luôn tìm kiếm ba anh em nhà họ Mặc. 10 năm sau gặp lại, Mặc Vân Liệt và Quý Như Phong quyết đấu sinh tử....

The Republic of China was the era when the martial artists wre at their peak, and it wasalso the most pessimistic era.Xuantong abdicated and the situation was turbulent.The art of marteial took the chance to develop in Tianjin.Mo Shoucheng,the leader of Xingyi Boxing Hall,is an upright and honest manwho worried about the country and the people. Dissatisfied with the martial arts do not teach the real boxing skills but the art of pleasing the strong ones, so broke the rules and tought the true skills which made him against his peers.The big disciple around Ji Rufeng hided his indentity, and was used by the military to set up a huge killing trap. The Tianjin Samurai Association, Mo Shoucheng defeated six martial artists hardly but got killed by his disciple Ji Rufeng.Before the contest, Mo Shoucheng's premonition was ominous, and he arranged for the three brothers of the Mo family to flee to Shanghai. The oldest one, Mo Yunlie, were forced to do black boxing and lead the two younger brothers to survive.When the time passed, Ji Rufeng always thought about the true meaning of the boxing of Mo, and tried to find the whereabouts of the three brothers.Ten years later, the two decided to have a final battle and the flower-studded stage became a Shura battlefield....