Agent He Ruozhi (Zheng Zhongji) meets a young girl Chen Meiling (Charlene Choi) by chance. It turns out that Ling is a robot from the future. This mission is to come to Hong Kong in 2004 to ensure that she will become a great scientist 50 years later.

He Xiaoming, the "father of the chip", will die on August 15, because the "father of the chip" struggled for strength because of his brother's death that day, and developed a Chen Meiling robot according to his wife's appearance. Zhi is the "father of the chip"' s own brother, and he is terrified.

Wisdom believes the robot, because anything will happen in this world ... The only thing she doesn't want to believe is that he will leave this lovely world in three days.

Coincidentally, Zhi was suspected by the police (Raymond) to be related to a police homicide. Zhi didn't argue, so he took advantage of the chaos to escape. The informant introduced Zhi to chungking mansions to find Ling () to run a fake passport and flee abroad. Wisdom found that ling is actually the future sister-in-law in the mechanical population! Wisdom decided to pursue Ling for a pretence, so as to find an opportunity to kill her, so that Chen Meiling robots would disappear in the world and she wouldn't die suddenly.

. Coupled with the pursuit of policewoman Zhang Qi (Amanda) and robot Ling, Zhi Heling experienced the last adventure in his life. ......