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.
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.
裁员潮来袭，面对现代青少年的种种困扰——就连最强势的母亲也无法独自应对这一切。而她的母亲呢？
《栗子人》以哥本哈根宁静的郊外为背景，在十月份一个狂风大作的早晨，警察发现了一件恐怖的事情。一名年轻女子在操场被残忍谋杀，并且她的一只手不见了。她的身旁放了一个用栗子做成的小人。雄心勃勃的年轻侦探纳亚·图林（达妮卡·库尔西奇饰）和她的新搭档马克·赫斯（米克尔·福尔斯加德饰）奉命调查这个案子。他们很快就发现了一个关于栗子人的神秘证据，这个证据与一年前失踪并被认定已死亡的一个女孩有关：政治家罗莎·哈通（艾本·多尔纳饰）的女儿。
