乔尔·拉撒路（山姆·克拉弗林 饰）的父亲乔纳森·拉撒路博士（比尔·奈伊 饰）自杀身亡，他很快就被卷入了一系列谋杀悬案之中，同时他还在努力揭开父亲之死和25年前妹妹的死亡之谜。
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。
It’s 2011 and we’re in Rome. The government is on the verge of collapse, the Vatican is at crisis point and the city’s squares are quite literally on fire. In the middle world, Cinaglia (Filippo Nigro) has tried to pick up where Samurai left off and, together with Badali (Emmanuele Aita), he is still managing the city’s criminal affairs, with the help of Adelaide (Paola Sotgiu) and Angelica (Carlotta Antonelli), who still head up the Anacletis, and Nadia (Federica Sabatini), who helps them to manage Ostia’s town squares.
A rootless genius, Iris Nixon, steals an enigmatic code from a charming philanthropist and disappears. A tense countdown ensues as she races to unravel the code's mystery.
莉亚每天靠当清洁工的微薄薪水养活自己和废柴男友，走投无路的时候甚至要去超市偷拿救济食品。她本以为这辈子都要如此，却意外认识了富婆弗兰，并答应到她家当清洁工.与弗兰的相处，为莉亚打开了新世界，有了想要改变现状的动力，也开始认识新的约会对象。某天，弗兰外出，请莉亚帮忙看家，她便邀请了约会对象来到弗兰的豪宅，没成想却引发了一场噩梦。
