The film pays homage to classic wuxia techniques, often exaggerated for comedic effect:
In modern-day Hong Kong, Wong (played by a comedic actor like Stephen Chow or Jacky Chan) is a well-meaning but hapless kung fu master who works as a janitor at a local martial arts school. One day, while sweeping the floors, Wong stumbles upon a dusty old scroll hidden away in a forgotten corner of the school. As he unrolls the scroll, he discovers it's the legendary "Kung-fusao 7.72004" - a ancient text containing the secrets of the most powerful martial arts techniques ever known. Kung-fusao 7.72004