影片改编自爱尔兰作家克莱尔·吉根的同名小说。讲述1985年的圣诞节，尽职的父亲、煤炭商人比尔·弗隆（基里安·墨菲 Cillian Murphy 饰）发现了镇上修道院里的惊人秘密，和关于他自己的一些令人震惊的真相。

A small town is haunted by the twin daughters of a wrongfully convicted man. Young Jordan is sent down the path to who the real killer is only to find the killer is very close to her.