The main character, Jessica, receives the dollhouse as a present from her father. She is excited to play with it, but strange things begin to happen shortly after it enters the house. Her father, Bill, is a skeptical journalist who doesn't believe in the ghost stories surrounding the Amityville house. However, he begins to change his mind when he witnesses his daughter's bizarre behavior and experiences some eerie occurrences himself.
The mother, Claire, is a stay-at-home mom who is dealing with her own personal demons. She struggles to keep her family together as they deal with the terrifying events happening in their home. The elder brother, Todd, is a rebellious teenager who initially dismisses the haunted dollhouse as a joke. But as the accidents escalate, he becomes more and more convinced that their lives are in danger.
As the family tries to uncover the truth about the dollhouse, they discover that it is more than just a mere toy. It is a portal for the evil spirits that once inhabited the Amityville house. The family must work together to break the curse and banish the evil before it's too late. The movie is a thrilling horror film that will keep you on the edge of your seat until the very end.