ah xing (played by stephen chow) returned from the god of gambling, and coincided with the unwilling army gathering the five masters of zhongnanhai to take revenge. although long wu (played by xiang huaqiang) helped, ah xing and san uncle (played by wu mengda) were still sent to shanghai in 1937 by dajun and others... after ah xing and san uncle were separated, they accidentally killed the murderer who murdered xu wenqiang, and were able to meet ding li (played by lu liangwei). since then, they stayed with ding li with their grandfather chow dafu (played by wu mengda). ding li's girlfriend ruxian (played by gong li) made ah xing dream, but she didn't know that she was the twin sister of ru meng (played by gong li). ccc。 yoshiko kawashima wanted to control shanghai, so she lured dajun and others frequently attacked ding li and agreed to decide the winner in the end. ah xing escaped from the hands of the japanese and finally caught up with the gambling game. the key to the bet was a mysterious figure named "fighting the tiger tonight"...