Chen Jiaju (Jackie Chan), a policeman who has been trained as a special police officer, is upright and works hard in handling cases, but often ignores his girlfriend (Maggie Cheung). During a certain siege, Chen Jiaju arrested the big drug lord Zhu Tao, but due to the sudden disappearance of the witness (Zhu Tao's secretary) Salina (Brigitte Lin), he was unable to be brought to justice. Therefore, Chen Jiaju was demoted...