Jackie Chan plays here a humble trader sports simulators, which in one rainy night, a mysterious stranger (Eric Tsang) reports that in fact he was the son of the influential Japanese businessman. The businessman is currently dying in Korea, and went there, Jackie finds out that from his alleged father wants something a small group of some obscure terrorists (led by Wu Hsing-Kuo). After trying to understand this history, . Jackie understands, . contrary to tie it deeper into this obscure international intrigue, . which involved a deadly virus, . lot of money and charming Vivian Hsu, . which holds captive the main villain.