13岁的美丽小女孩米雅(艾拉·彭内尔 Ella Purnell 饰)偶然在自家院子的树洞里发现一只小盒子,里面装着一则奇怪恐怖的故事。故事讲述了无脸恶魔希望得到他人的认可,于是四处寻找站在窗口的小孩子,将孩子带走并撕掉他们的脸,贴在自己的脸上。米雅为这个未完成的故事着迷,她尝试续写下去。米雅不知道,这是身为建筑工人的父亲约翰·费罗(克里夫·欧文 Clive Owen 饰)童年时代根据自己的真实体验所写的故事。在这一过程中,诡异的梦境不断困扰米雅。 与此同时,一起意外事故让约翰深埋心底的恐惧再次复苏,他重新想起童年时的无脸恶魔,父女俩同时遭到恶魔的侵扰……In Madrid, the boy Juan is terrified by the monster Hollowface and his mother is unable to protect him so summons Father Antonio to exorcise the monster from their lives. In London, the construction worker John Farrow is very close to his teenage daughter Mia. One day, Mia is spending the day at her grandparents' house in the countryside with her mother Susanna and she finds a box with the story of Hollowface hidden in a tree. Soon Mia sees the monster Hollowface in the closet of her bedroom and John defends her. When they are attacked for the second time, the security camera that John has installed does not show any intruder. Are Mia and John delusional?