A Chinese mechanic travels to Japan in search of his missing girlfriend, but finds she is now married to a Yakuza boss whose life he saved. The mobster makes the immigrant a gang boss in his own right, but his honourable methods prove unpopular in the underworld, leading to a gang war. Martial arts thriller, starring Jackie Chan and Daniel Wu. In Mandarin, Japanese, Cantonese, English, Min Nan and Hokkien.

A simple Chinese immigrant wages a perilous war against one of the most powerful criminal organizations on the planet.