Ling Ling Qi (Stephen Chow), a famous secret agent of his generation, has been abandoned by his superiors for a long time and has become a meat vendor. A priceless dinosaur skeleton was stolen by a man wearing a golden gun in full armor. Because there were few clues and the mission was dangerous, Ling Ling Qi was entrusted with an important task by the senior leaders. Ling Ling Qi followed the clues to Hong Kong and met with the contact Xiang Qin (Anita Yuen). Xiang Qin deliberately looked for an opportunity to kill Ling Ling Qi. It turned out that her other identity was a killer sent by the Golden Gun. However, after experiencing a life-and-death battle, Xiang Qin and Ling Ling Qi gradually developed true feelings. At this time, the true identity of the Golden Gun was also exposed. Ling Ling Qi, who found himself in a conspiracy, began to struggle with his opponent.