Triads: The Inside Story 1989 on netflix

Li Man-Ho comes to Hong Kong after his father’s death following a double crossed peace meeting at the hands of a rival gang. The family’s business begins to crumble as rival organizations stir violence and trouble in acknowledgment of this weakness. Li Man-Ho reluctantly agrees after pressure from other members to temporarily act as leader in order to restore stability and order. But he is soon faced with violence, betrayal and confusion, in this world he tried so long to avoid.