Description：Patrolman Chan Chun Kit (Eason Chan) in Wan Chai District has gradually lost his passion for the police because he has been doing extremely regular and unchanging work every day for seven years. When his junior sister Liao De Nan (Joey Yung) is sent to patrol with him, he sees that the other party is full of enthusiasm and seriousness. He not only watches coldly, but also sneers from time to time. When he meets the madman Wang Cheng (Francis Ng), Chan Chun Kit just treats him as a mental patient and points him to Liao De Nan. After the naive 19-year-old girls Nicole and Diet met Chan Chun Kit in a case of exposed weapons on a bus, they began to admire him, and Chan Chun Kit also felt the warmth from the two. Soon, a brutal rapist appeared in Wan Chai District. Many single women were raped and killed by him, and Diet was not spared. This incident prompted Chan Chun Kit to wake up from his numbness, and he began to hunt down the murderer like crazy.