A family of five moves into a large house on Long Island, where they plan to start fresh. Shortly after moving in, they begin experiencing strange and terrifying phenomena. Unexplained noises, disturbing visions, and a looming sense of dread permeate their new home. The father becomes increasingly aggressive and erratic, influenced by the malevolent forces in the house. As the hauntings intensify, the family's youngest daughter starts interacting with an invisible friend who seems to know too much about the house's dark history.

Desperate for answers, the mother delves into the house's past and discovers that it was the site of a gruesome murder committed by the previous owner, who claimed to be influenced by demonic voices. As the supernatural events escalate and the father's behavior grows more dangerous, the family realizes they must find a way to escape the house before it destroys them. The fight to overcome the malignant presence puts their bonds and sanity to the ultimate test.