When night falls on New York, it becomes a crime-ridden city. Chinese policeman Huang Billy (Jackie Chan) and his colleagues come to the bar to celebrate their 10th anniversary in the United States. Unexpectedly, his colleagues are killed by a group of robbers who break in. The angry Billy executes the murderer, which angers his superiors. He is punished to maintain law and order at the fashion show of tycoon Shabilu. During the show, Shabilu's daughter Rona is kidnapped by a group of people, and Shabilu's bodyguard Benny has made several calls to Hong Kong before the incident. All signs indicate that Shabilu has cooperated with Hong Kong's top drug lord Gao Weiluo (played by Qiao Hong), and the dispute between the two may lead to this kidnapping. Billy and his partner Danny (Danny Aiello) go to Hong Kong, where they find two former partners of Gao Weiluo, Li Xing, and He Tian's daughter He Meifang (played by Ye Qianwen), hoping that the other party can provide clues. Gao Weiluo quickly sends people to hunt down Billy and Danny, as well as his former partners. Billy broke through many obstacles, found out Gao Weiluo's lair, and led his partners to launch a fierce attack on Gao...