It's Sammi Cheng and Andy Lau. . . . It is not difficult to see from the plot that Andy and Sammi really suffered a lot this time. They are wearing dozens of pounds of silicone fat props, and they have to step on bicycles ridden by acrobatic troupe actors all over the street, pulling huge oil drums around. It's really hard for them. No wonder Andy himself said it was impossible to make a sequel to this movie-Baidu Encyclopedia.