説明
: Han, Xi, Guan, and Bonnie are four bank robbers and hijack an armored car. Han and Xi block the police from pursuing them. Guan and Bonnie encounter a little policeman Jiahui in the escape, and Guan accidentally falls down and is caught by Jiahui. When they learn that their accomplice has been arrested, the cold-blooded Han rushes into the police station and shots Guan dead in full view. Due to the seriousness of the case, the police station transfers Jiahui and female police officer Shan to the Regional Crime Unit to assist in the investigation. The two cooperate with two police detectives Liu and Ma, who are their enemies, on starting with the escort and proceeding to a certain karaoke hall. Jiahui falls in love with the female singer Min. Soon, he learns the clues of the robbers from Min...