Zero courtesy, zero joy, zero hair (Stephen Chow) and pocket money are the four masters of the court, full-time to protect the safety of the emperor (Zhang Daming). Although he is known as one of the four masters, Zefa can only do some gadgets and can't do martial arts at all. on one occasion, he was expelled from the palace because he did not complete the task assigned by the emperor to catch the four great heroes of the world. After returning home, zero hair opened a gynecology clinic, often use some gadgets to get a wife (Carina Lau), the day is also happy. Jin cheated the emperor out of the palace on the grounds of the corpse of the "heavenly flying immortal" and waited for an opportunity to kill the three masters who followed the emperor. at the critical moment, he used his "helicopter" and "machine gun" to save the emperor's life. The adversary who did not give up then sent a prostitute Qin Cao (Li Ruotong) to seduce zero hair, zero hair and his wife to play a double.