舞女阿红遇害，周玉蝶因现场遗留其首饰成为嫌疑人。粉丝关仁为替其洗脱嫌疑展开追查，却遭遇证人接连身亡，更牵扯出周保及其神秘未婚妻等复杂关系。随后，张生离奇中刀身亡，其私生子身份成谜；而张夫人抚养多年的"养子"，实为外室所生。银行王老板死于密室，看似自杀实为他杀。李氏千金陈尸衣柜，伴随杀人布偶诡异现身，牵出与机械高手之女的旧日恩怨。又一名带有梅花印记的女子遇害，而此前主要嫌犯竟在狱中自尽。直至周玉蝶表演时被拍到腿上的梅花印记，一段辛酸往事终被揭开。幕后真凶究竟是谁？详情
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.
半年间，SNK剧变，总监余英飞离职、门外汉古肇华空降。张家妍虽掌权却难服众。刘艳的公开平台崛起，动摇传统媒体地位，连已入官场的许诗晴亦被卷入新旧媒体的角力。文慧心于此时复出，昭告世人：新闻女王的地位永远不可撼动！
以真实案件为基础，采用纪实风格，借单元案串联剧情。全片紧扣声纹技术破案视角，通过对声音线索抽丝剥茧，破解单元谜案、挖掘关键信息、揭开被掩盖的真相。影片以快节奏叙事与细节铺陈，凸显声纹破案的独特魅力，既展现警察对正义的坚守，又将人物命运融入案件之中，让观众沉浸式潜入声音的世界，感受悬疑与宿命感的交织。
As Leo's replacement Thomas Chamberlain arrives Nikki investigates the murders of Rachel Freedman, shot in the head, and her little autistic son Nathan, who was poisoned. Nikki rejects policewoman Anne Burchett's theory that Rachel killed them both but is perturbed when an impostor, claiming to be Rachel's sister, visits the morgue. At the same time the disfigured corpse of Eva Liron is discovered, killed with the same poison as Nathan. She had been the nanny to French hot shot footballer Isaac Dreyfus and was planning to blackmail him over a sex tape of them both. Jewish Isaac is a controversial figure due to his anti-Muslim sentiments but he denies ant part in the murders. Then another victim, Isaac's agent Mousa, is discovered dead.
杂鱼们回来了。《外滩探秘》第3季将于2023年上线。
