故事延续原作内核，讲述神秘转学生Nanno现身校园，以其冰冷而聪慧的观察力洞悉人性的虚伪与欲望。每集她都会转入不同的学校，在教师与学生们隐藏的秘密中穿针引线，诱导他们做出选择，从而彻底撕开那些苦心经营的秩序伪装。

 当秘密摧毁了他所熟知的世界，冲突之后，更多内幕将被揭开。

 Die Journalistin Norah will in Wien einen Neuanfang wagen. Eine Bettlerin sagt ihr voraus, dass sie in sechs Wochen einen Mann namens Arthur Grimm töten werde. Anfangs gibt Norah dem Vorfall keine Beachtung, doch dann passieren merkwürdige Dinge.

After attending a medical conference in Beijing and coming frighteningly close to dying in a car crash, Dr Matthew Nolan, played by Armitage (Obsession, Stay Close) arrives home and is immediately arrested at London’s Heathrow Airport. Exhausted and confused, Nolan is accused of the murder of a woman who was in the car he crashed. DC Hana Li, played by Lusi, is the no-nonsense, London officer charged with accompanying Nolan back to Beijing, but plenty happens on the way.

　　Astrid and Raphaëlle are back for a new round of investigations that will see them team up with the secret services, pursue a professional killer, rub shoulders with Mormons, the horse racing world, the last descendant of an Aztec tribe, a Buddhist temple, a film set and even confront a criminal who dangerously transforms under the full moon...

 改编自维克托·拉瓦列2013年的小说《The Devil in Silver》。聚焦搬运工人Pepper（丹·史蒂文斯 Dan Stevens 饰），因为坏运气和坏脾气，他被送到了一所名为New Hyde的精神病院，里面满是被社会遗忘的人。Pepper想要获得自由，就必须面对与他作 对的病人、怀着阴森目的的医生，甚至恶魔本人。这里是地狱般的地方，任何事情都不是表面那样，Pepper必须直接面对一个以New Hyde里人们的苦痛来蓬勃壮大的存在，但这样可能会证明：最可怕的恶魔恰恰是他自己。

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.