In the year 2030, in Bright City, at a time when human civilization is highly developed, various criminal activities are also rampant. Detective Leo (played by Jay Chou) of the Bright City Police Department is a brave man who despises evil. He grew up in an orphanage and sees the director, Pan Qingyu (played by Eric Tsang), as a father figure, and considers the director's son, Pan Da, as a brother. Since the director was murdered, the friends have scattered, and finding the murderer has become Leo's greatest motivation. In the current Bright City, criminal organizations represented by the Kuang Tian Group are rampant and unafraid. Under Leo's leadership, his subordinates continuously thwart Kuang Tian's schemes, while the superhero Panda Man (played by Yuhao) also becomes a thorn in the side of criminals who hate him deeply. As the struggle between good and evil reaches a life-or-death crisis, Leo and Panda Man will face unprecedented challenges...