Stephen Chow wrote, directed and starred in 1996, which is a funny sci-fi movie featuring Carina Lau, Carman Lee and Luo Jiaying. The film tells the story of Ling Lingfa, who is known as the master of dragon protection. In fact, he is an invention fan without martial arts. He was expelled from the palace by the emperor because he failed to catch the four monsters in the Jianghu. He knew nothing about gynecological diseases, so he went home and opened a gynecological clinic. Soon, the playboy emperor remembered him again and ordered him to seduce Cao Qin, the beauty of Jinshan. As a result, he was fascinated by himself and gradually saw through the true face of Cao Qin. After staged a farce of jealousness and jealousy with his wife, he captured the female spy alive with his invented mouth cannon and manual helicopter. Thereby regaining the trust of the emperor.