Three scientists discovered a mysterious ore on the African continent, which has extremely strong lethality. Just as the three scientists were on their way back with the ore, the CIA sent a special operations team consisting of 11 special forces from different countries to hijack the scientists and their results. There was a ghost inside the intelligence agency, who wanted to take the results for himself. So he ordered the pilot in charge to create a plane crash to kill people and cover up that he had seized the results. The special operations team was almost wiped out, and only team member Jack (played by Jackie Chan) escaped by chance. When Jack was rescued by the local natives, he lost all his memories due to the violent collision, and he knew nothing about his name and origin. He would only ask "Who am I" to everyone he met. In order to find out his life experience, Jack returned to New York...