Shortly after moving into their new home, the Snedeker family is assaulted by a sinister presence that preys one-by-one on their family. Exhausting all other resources, they call up the world-renowned demonologists Ed and Lorraine Warren who have never encountered a case as frightening as this. No one had warned the Snedekers their new house used to be an old funeral home. Their battle with an inexplicable and savage phenomena had only just begun. What started as a simple poltergeist escalated into a full-scale war, an average American family battling the deepest, darkest forces of evil a war this family could not afford to lose.