In 2046, with the development of science and technology, robots serving humans have become very common. The intelligent robot K-1 (played by Alex Fong) is secretly sent to the town to perform police duties in collaboration with humans and is supervised by the police captain Xu Dachun (played by Hu Jun). K-1, aliased as "De Ming", has an extraordinary appearance and is suave. His built-in program supports a perfect social mode. He quickly wins the favor of the women in the town. The policewoman Su Mei (played by Sun Li) also has a crush on him, which makes Dachun, who has a crush on Su Mei, jealous. The two are fighting openly and secretly, while the robot K-88 (played by Wu Jing) with a deviation in the program in the other side is causing trouble everywhere. De Ming and Da Chun team up to arrest him. After 72 rounds of fighting, K-88's theory of "robots also need freedom" shakes De Ming, and Su Mei, who does not know the truth, also evokes the love in De Ming's heart that only humans can have...