Li Renyi, a university student is found dead in his dorm room, bleeding from a gaping knife wound in his stomach. In the months leading up his death, Renyi is looking at a fresh start to his life... 大学生李仁义被发现倒毙在他的宿舍房里，腹部被利器切开，鲜血淋漓。 命案发生前几个月，仁义才刚迈入他人生的另一个阶段。他拿着全额奖学金，开始了大学生生涯。他在大学里邂逅了一位美丽的高材生Lydia。 好景不长在，他唯一的知己阿威妒忌仁义花太多时间跟Lydia交往。阿威情绪表现非常不稳定，并要求仁义跟Lydia分手。仁义拒绝了他，导致阿威把负面情绪化为暴力，最后引致悲剧的发生。

Li Renyi, a university student is found dead in his dorm room by his girlfriend Lydia, bleeding from a gaping knife wound in his stomach. Lydia is interviewed by the investigating officers in Renyi’s case, Insp Wu and SSgt Ling... 大学生李仁义被他的女朋友Lydia发现倒毙在他的宿舍房里，腹部被利器切开，鲜血淋漓。 调查主任吴警官和林警员跟Lydia录取口供。Lydia道出悲剧的来龙去脉：关于那个被精神问题困扰的孤独男生。他的精神状况，最终把他引上死亡之路。

Li Renyi, a university student is discovered dead in his dorm room. When his mother, Mrs Li-Zhu Huimin receives the news, she is beside herself with grief. Mrs Li recalls the chain of events leading to Renyi’s death from her perspective... 大学生李仁义被发现倒毙在他的宿舍房里。当他的母亲李朱慧敏接获这个噩耗，心中充满着对儿子的愧疚感。 李太太回想起发生过的事情，那些可能导致仁义去世的事情。一切都是从Lydia的一通电话开始，那通通知他儿子入院的电话。 从那通电话开始，她发现仁义可能必须为着一个她隐藏多年的秘密付出代价。那是一个她从来没有跟仁义提起过，但最后可能导致他死亡的秘密。

Insp Wu is a straight-talking, no-nonsense police investigator with the Special Investigation Section, CID, who only believes in the facts. However, as the case of Li Renyi progresses, Insp Wu is forced to question his own beliefs, wondering if there are indeed other forces at work in the world we live in... 吴警官是一名有话直说，认真严谨的特别罪案调查组的警员。他只相信证据。但是随着仁义案件的调查工作进行，他开始质疑，世界上是否真有另一种力量的存在。 他跟在职场上认识，也是任职警察的杨安妮（卓婷奕饰演）结婚，两人育有一位八个月大的孩子。。。