After what should have been a simple home invasion goes wrong, Marc, a brutal and cunning thief chases a job lead to a small town called Purgatory in a remote corner of Utah. Nothing in this small sleepy town is what it seems, but he ignores his instincts to run because the promise of easy money is too much for Marc to resist. Loaded up with the spoils of the job, Marc gets knocked off course by unexpected events and takes shelter from a surprise winter storm in an old house outside of town. Trapped there with two sickly children, Lucian and Jessamine, along with their benevolent caretaker, Mary Anne, he quickly discovers the children are anything but normal. With time running out and the lines between reality and nightmares blurring, Marc searches for a way out in this intense supernatural thriller. Welcome to Purgatory, once you move in, you can never move out.