A family owns and operates a creepy hotel in the late 19th century where some of the guests who check-in disappear mysteriously.

What starts as a poignant medical documentary about Deborah Logan's descent into Alzheimer's disease and her daughter's struggles as caregiver degenerates into a maddening portrayal of dementia at its most frightening, as hair-raising events begin to plague the family and crew and an unspeakable malevolence threatens to tear the very fabric of sanity from them all.

2013年的一天，瑞安（克里斯·J·穆雷 Chris J. Murray 饰）带着妻子艾米丽（布兰妮·肖 Brittany Shaw 饰）和年仅八岁但乖巧可爱的女儿莱拉（艾薇·乔治 Ivy George 饰）搬入了一栋大房子。适逢圣诞节将至，一节人喜气洋洋，快乐非凡。瑞安不知从哪还翻出一台老式的摄像机，他希望记录下家人每一个喜悦的瞬间，谁知从开机的第一天起便发现种种异常在房子内出现。夜幕降临，女儿逐渐表现出诡异的举止。与此同时，瑞安和哥哥迈克（丹·吉尔 Dan Gill 饰）还翻出了几卷这栋房子20年前的主人们拍摄的录影带，影像中的内容令他们呆若木鸡。
只有女儿和摄像机能够看到的“隐形者”，令瑞安一家的生活乱作一团……