麦迪森（安娜贝拉·沃丽丝 Annabelle Wallis 饰）在梦中不断看到恐怖谋杀案现场的幻象，而这些幻象实际上是真实发生过的凶案，她决定挖掘真相和自己的过去，却发现这一切与一位名叫“盖博瑞”的魔鬼有关。
Someone downloads an app on your phone behind your back. It looks like an augmented reality game, but soon you realize it's an app that connects to the world of the dead, which allows you to see the dead through the camera of the phone. On the screen you see a countdown timer starting from 24 hours and before it reaches zero, you have to download the app to someone else's phone...
1937年一名女子被发现死于狐狸塔下，凶手几乎将她残忍地杀害。而警方的调查则草草锁定了几个嫌疑人：一名黄包车夫与一位神秘男子。北平警长方也生报告，尸体被掏空的心脏则难免让人联想起神秘的宗教祭祀活动，如果真的是祭祀，又是有多大的仇恨才要把一个无辜的女孩虐杀致死呢？人们不得而知。历史迷雾重重，这个曾轰动北平的案子藏在时间的尘埃里，而使其浮出表面的却是这个不起眼的注解。
When the remains of two murdered Princes are discovered at the Tower of London, a troubled Priest must put his beliefs aside to befriend a mysterious prisoner, who has supernatural powers to communicate with the dead. Together they must solve the mystery of who murdered the Princes, as prisoners in the castle dungeon meet their bloody fates at the hands of the Princes' ghosts, ...
