影片改编自NicholasHogg2015年的小说《东京无名氏》（TokyoNobody）。美国社会心理学家本-门罗（BenMonroe）在调查柏林当地一个与令人不安的事件有关的邪教组织，他沉浸在自己的工作中时，他叛逆的女儿马兹（Mazzy）却被一个神秘的当地男孩接触，这个男孩将她带入了这座城市的地下世界。当他们的两个世界走向危险的交汇点时，本需要争分夺秒地拯救女儿……
The film opens in a bleak police station where celebrated war correspondent Kate Rafter (Seagrove) faces questions from a psychiatrist, Dr Shaw (Kurylenko), as they work through the painful events of Rafter’s life. A horrific incident in war-torn Iraq and the death of her mother (Steed) have brought a haunted Rafter home to Herne Bay, a place she believed she had escaped forever. Her resentful sister (Friel) has not made her sister welcome and her forbearing husband Paul (Miles) fails to broker peace. Whilst packing up her mother’s belongings from her childhood home, Rafter comes to believe there is something strange and terrifying happening in the house next door.
