He Dachuan was killed in helping his brother Huo Zhenshan to escape. Twenty years later, Huo Zhenshan opened a martial arts gym in Shanghai and looked for He Dachuan's descendants. Facing the challenge of the black market boxing hall, Huo Zhenshan defeated his opponent but refused the bounty, making the witness Shitou respectful. Shitou turned out to be He Dachuan's long-lost child!