陈永仁,警校里干练的明日之星。刘健明,黑社会最底层的小混混。二人的生命本无交集。然而,黄警司和黑社会老大韩琛的一场寂静棋局,使他们成为两颗无法怨言的棋子——陈永仁黯然离开警校,在不断的厮杀流离中,成为警方渗透进黑社会的卧底;刘健明则进入警校,开始反渗透的过程。《涅槃经》里说,“八大地狱之最,称为无间地狱,为无间断受大苦之意。”电影一开始的注解,仿佛是句谶语,宣告这注定是场悲剧。 Chen Yongren, police school capable star of tomorrow. Liu Jianming, triad bottom of the small bully. The two have no common life. However, a quiet game between the Yellow Police Force and the underworld chief Han Chen made them two unforgivable pieces - Chen Yongren sadly left the police academy and became the undercover police officer who infiltrated into the underworld. Liu Jianming Then enter the police school, began the reverse osmosis process. “Nirvana” said, “The most hell of the eight, known as the indefinable hell, for the uninterrupted suffering of meaning. ” The beginning of the movie annotations, as if to sentence a sentence, declared that this is destined to be a tragedy.