Ma Yongzhen (played by Wu Yunlong), who has been a kung fu stunt since childhood, came from the countryside to the ten-mile ocean field in Shanghai to make a living. Here, he gets acquainted with the newly rising Shanghai Tang overlord Long Qi (played by An Zhijie), two young people with dreams hit it off at first sight, and they have become brothers in life and death through hardships.
Since then, the brothers have worked together, defeated countless enemies, and trampled the biggest gang at the time, the Axe Gang, under their feet in one fell swoop, and shocked the beach with an iron fist. At the same time, Ma Yongzhen also received the help of the retired kung fu master Tie Zhangmen (Sammo Hung), and was able to fight against a strong enemy together.
The Axe Gang and the forces behind it are not willing to fail, and have always been obsessed with Ma Yongzhen and Long Qi, trying to eradicate them. Long Qi was attacked and surrounded by killers, and his life was in danger, Ma Yongzhen saw his brother fall but could not do anything, so he resolutely embarked on the road of revenge.