Line Walker

Following the sudden death of his co-worker and best friend, Chief Inspector of the Criminal Intelligence Bureau (CIB) CHEUK HOI (Michael Mui) discovers that they have lost contact with all five of their undercover officers who have been in connection with the deceased. All five of the undercover officers are in possession of highly confidential information concerning the safety of the central figure of the police force and even the whole of society. Determined to locate the undercover officers' whereabouts, CHEUK HOI eventually manages to contact one of them, DING SIU-KA (Charmaine Sheh), who is the lady boss of a foot spa. In order to return to her true identity, SIU-KA promises CHEUK HOI to sneak into a gang and deliberately approach SIT KA-KEUNG (Raymond Lam), an active member of an illegal betting syndicate...