The Donahue family has just moved to the new town and their daughter Janie has become quick friends with their neighbor Olivia.
While having a nice barbeccue they receive a horrifying letter threatening them to leave.
The girls begin to think about how big the house is and to see how the person writing the letters knows so much about this old house while looking they find a secret room behind the books.
Olivia, Janie, & Ben (Janies older brother) decide to go down to the library to investigate more on the house and the people who might be connected after looking, they make a strange discovory and rush back to the house.
When they get home and tell the rest of the family who they think it is, it's too late he's already in the house. They choose to escape through another secret route in the house but he's already there. He procides to try to kill them because he doesn't like the way they live in the house.
After the incident the Donahues choose its best to move again this was Ben's and Olivia's last late-night walk.