蒂姆(布兰顿·思怀兹 Brenton Thwaites 饰)和凯丽(凯伦·吉兰 Karen Gillan 饰)背负着灰暗而又沉重的过去,眼睁睁地看着父母在面前悲惨地死去,这成为了姐弟两人记忆中无法痊愈的伤痕。时间飞快地流逝着,然而伤痛却没有因此而淡去,在此期间,蒂姆和凯 丽一直都没有放弃过寻求真相的机会。终于,功夫不负有心人,两人发现,一切惨剧的始作俑者就藏在家中的古董镜子之中。 为了终结悲剧,蒂姆和凯丽返回老家想要将镜子摧毁,令两人没有想到的是,他们的举动却在无意之间成为了打开地狱大门的钥匙。鲜血、恐惧、愤怒、悲哀,在排山倒海而来的回忆之中,他们开始搞不清楚,究竟什么是虚幻,什么是现实。The twenty-one year-old Timothy "Tim" Allen Russell is discharged from a mental institution by his psychiatric Dr. Shawn Graham completely healed from a childhood trauma where his father purportedly tortured and killed his mother before being killed himself by Tim. His sister Kaylie welcomes him in the parking area and brings him home. Then she tells that they need to destroy an ancient mirror that she has found through working at an auction house. She then steals the mirror and the reluctant Tim follows his sister and has fragmented recollections from their childhood, going back to when his father Alan buys a mirror for the home office of their new family home. Kaylie and Tim see a woman with their father in his office and the behaviors of Alan and Marie change, ending in a family tragedy. Kaylie blames the mirror and now she wants to destroy it with Tim. Will they succeed?