Infernal Affairs II 4K 2003 CHINESE

After the murder of the head of the triad, his son Hou, previously uninterested in his father's affairs, suddenly announces his intention to take his place. The police are unprepared for this turn of events, having found a formidable and elusive adversary in the person of the new mobster.

Now all hopes are pinned on a young policeman who, risking his life, infiltrates the gang and tries to gain the trust of the new boss. But the clan is not slumbering either and introduces its informant Min into the police.