Katherine and Robert Helms live an idyllic life--they have great careers, a happy marriage, and a beautiful son, Brandon. When tragedy strikes, they think losing Brandon in a freak accident is the worst thing they'd ever have to survive. They're wrong. After leaving bad memories behind and moving into a new house, Katherine and Robert are greeted by a mysterious stranger, Jeremy Price. Jeremy makes them a vow: leave the house or suffer. Filled with grief over the loss of their son, they ignore the threats and focus on healing. In time, they begin to feel the pieces of their lives fall back into place. But soon, a series of inexplicable events lead them to believe that Jeremy Price is keeping his promise. When the threats transform into bizarre and unworldly acts of violence, Katherine uncovers the history of her home and seeks help from a psychiatrist to cope with the discoveries. While he explores deeper into her mind, Katherine is forced to question everything she believed to be true and untangle a web of murder, lies, and adultery. Now, Katherine must face the past or risk losing herself in a dark world of twisted delusions forever.