Men qian bao di

In the turbulent 1920s in Tianjin, just ten years after the fall of China's last imperial dynasty, a secret martial arts group emerged to prevent crime and maintain peace among competing martial arts schools. However, when a famous master passes away and unexpectedly chooses his apprentice, instead of his son, as his successor, he inadvertently starts a fierce power struggle that threatens to plunge the entire city into chaos.