Simon and his twelve-year-old son, Finn, head to Vermont to repair an old farmhouse and, hopefully, their relationship. But shortly after arriving, they learn of the deceased previous owner – an infamously cruel woman named Lydia – whose spirit continues to loom around the attic. As Simon makes repairs to the house, he also seems to make Lydia’s presence stronger. And after a terrifying encounter with the dark entity, he must fight to protect his son from the evil that's claiming stake on their new home.