On October 31, 1955 June & Frank Marsters met their grisly end when an escaped killer known as the Willow Woods Wolfman broke into their house. In the decades since the night has grown to be the stuff of local legend, but what really happened that Halloween?

A high-strung reporter, hot on the tail of a rampaging murderer, returns home to find his partner hosting some old friends. He’s already started to unravel, leaning on alcohol to calm himself, as the gathering gets bigger and louder.

Struggling to deal with the loss of her husband, Mary has not yet been able to enter the room in which he took his own life, let alone even open the door. After starting to hear tormenting voices and strange noises coming from inside, Mary must finally confront the reality of her situation and open The Door.