2003年·犯罪片·无间道3：终极无间

Liu Jianming (Andy Lau) was investigated by the Police Force 10 months after the murder of Chen Yongren (Tony Leung). His powers were suspended, coupled with the changes in his family, his mental state went from bad to worse, but he firmly believed that the situation would soon turn around. Young Superintendent Yeung Kam-wing (Liming) is regarded by his colleagues as a weirdo who is marching to the highest level of the Police Force with outstanding achievements. In order to find out the true identity of Yang Jinrong, Liu Jianming began to investigate him.Liu Jianming gradually discovered that Shen Cheng (Chen Daoming), Sam's former business partner, was inextricably linked to Yang Jinrong. In order to kill Yang Jinrong and not to expose his identity, Liu Jianming, who had been eager to be a good man for a long time, began to look for evidence one after another, but he always fell short of success when he came closest to the truth.

劉建明（劉德華）在陳永仁（梁朝偉）被殺10個月後接受警隊內部調查，被架空職權，加上家庭的變故，他的精神狀態每況愈下，但他堅信局面很快就會扭轉。年輕警司楊錦榮（黎明）在同事看來是怪人一個，他正憑著過人的業績邁向警隊最高層。為了搞清楚楊錦榮的真實身分，劉建明開始對其調查。劉建明漸漸發現韓琛舊日的生意拍檔沈澄（陳道明）與楊錦榮有著千絲萬縷的關係，為了置楊錦榮於死地，也為了不讓自己的身分曝光，渴望做個好人已久的劉建明開始千辛萬苦地找尋一個又一個證據，可是他總在最接近真相時功虧一簣。