Exhibit A tells the timely story of a normal family disintegrating under financial pressure. All is not as it seems as the King family go about their day-to-day lives oblivious of the horror to come. Dad Andy (Bradley Cole) is nursing a secret that ultimately leads to terrible consequences for them all. We witness these chilling events unfold through daughter Judith's video camera, which subsequently becomes Exhibit A.

一个十几岁的女孩杰西卡和一个叫汤姆的十几岁男孩交朋友，这个男孩被当地的一个帮派欺负。她受到杰克的虐待，杰克既是她的邻居，也是学校的老师，而汤姆则受到他父亲的性虐待。他们一起在树林里结交，创造了一个别人无法进入的私人现实。