In the year 2046, with the development of technology, robots serving humanity have become very common. The intelligent robot K-1 (played by Fang Lishen) is secretly dispatched to a small town to assist humans in policing, under the supervision of police captain Xu Dachun (played by Hu Jun). Under the alias 'Demei,' K-1 has an extraordinary appearance and charm, with built-in programs that support perfect social interactions, quickly winning the hearts of the women in the town. Female police officer Su Mei (played by Sun Li) secretly develops feelings for him, provoking jealousy in Dachun, who harbors a crush on Su Mei. As the two engage in an overt and covert rivalry, another robot, K-88 (played by Wu Jing), whose internal programming has gone awry, causes trouble everywhere. Demei and Dachun join forces to capture him. After a fierce battle lasting seventy-two rounds, K-88's theory of 'robots also deserve freedom' shakes Demei, and Su Mei, who is unaware of the truth, awakens in Demei the kind of love that only humans possess...