The Last Judgement(1979)

Most of the Liang family are murdered by Ling Guixing and the surviving son Liang Tianlai (Ng Wai-Kwok) wows to bring him to justice. Fighting against corruption in several courts, his only main witness is beggar Afeng but as Ling has people around him willing to bribe and murder, soon Liang is left alone. All up until he meets what seems like the last upstanding official...