 A guy from Hong Kong named Ken doesn t show for his wedding in Las Vegas and pisses off his fiancé who comes to Hong Kong looking for him. There she finds an angry interior designer trying to get answers from Ken since Ken gave him a bad check. They soon fight thugs who invade the apartment trying to look for evidence from Ken After going to Tokyo looking for him they soon encounter gangsters and a Japanese P.I. who helps them with his helpful assortment of bad-ass karate-master girls who help the girl and the designer escape. Soon the Yakuza is in hot pursuit and we go all around Tokyo including an awesome speedboat-chase through central Tokyo. Will Ken s fiancé and friend find him in time? Why is the Yakuza after him? Will they escape the gangsters in time and find their friends as well?