杨碧芯（惠英红 饰）饱受精神分裂困扰，差点毒害了儿子叶劲峰（王浩信 饰）。叶劲峰惊吓过度，竟解离出体弱但暖心的人格——朱玑。双重人格的叶劲峰，被刑侦之父聂山（姜皓文 饰）赏识，招揽加入特案组，与精神科医生韦睿杰（袁伟豪 饰）、拆弹警花游雁星（黄智雯 饰）、总督察江政勋（黎诺懿 饰）、法医人类学家方菀芊（王敏奕 饰）、法证昆虫专家张晓蔓（连诗雅 饰）及经常被怀疑与案件有关而需接受调查的小说编辑海蓝（菊梓乔 饰）一起恶斗种种心理偏差的高智慧罪犯，侦破多宗惊悚悬案。
When Joni was 14, her best friend Gracie Darling disappeared during a séance. Some 27 years on, the local kids in a small town get their kicks with a game of ‘Playing Gracie Darling’ – but the seemingly innocent game turns sinister when another girl disappears. Joni, by then a child psychologist, returns to the town and partners with a police sergeant Jay to uncover the truth, while Gracie’s sister Ruth faces a mother’s worst nightmare when her own daughter vanishes under hauntingly similar circumstances.
Already on opposite sides of Michael Hewes's custody suit against his mother, Patty Hewes (Glenn Close) and Ellen Parsons (Rose Byrne) prepare to face off in court after a cyber-hacker's revelations about insider trading expose damaging personal information that push an informant over the edge.
该剧讲述美籍华裔情报分析师亚历山大·黑尔（刘思慕 饰）发现自己的大脑遭黑客入侵，幕后黑手能看到并听到他所感知的一切。深陷情报机构与神秘黑客的夹缝中，他必须24小时保持伪装状态，既要揪出元凶又要证明自身忠诚。
