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.
女主角萨拉（Nychaa 饰）因童年创伤，以催眠术作为复仇手段。故事追溯到十九年前的新年夜悲剧，涉及校园霸凌（角色小丽欺凌同学致其轻生）、家庭秘密（母亲娜丽为女顶罪自残）等恩怨。 萨拉与闺蜜普菱（Maprang 饰）联手复仇，逐步渗透仇人家庭，并在公众场合催眠霸凌者小丽，揭露其罪行。反派库娜丽（Vill 饰）察觉萨拉身份可疑，双方展开心理博弈。
阿进是学摄影专业的大四学生，要去富国岛Cua Can准备毕业论文。阿进是在海边长大的穷男孩。两个人的感情由友情、哥们情，并经过各种哭笑不得的事故、同甘共苦的事件和互相关爱的过程而不知不觉转变成深刻的爱情。
