Twee kinderen, broer en zus, zijn door hun ouders achtergelaten op een boerderij in het uitgestrekte en verlaten gebied van het Amerikaanse westen in de 20ste eeuw. Hun ouders zijn op weg gegaan naar de stad vanwege de geboorte van hun derde kind.

A young brother and sister are abandoned in the vast and lonely landscape of the 19th century American West. Each day, they struggle to keep up the family farm, anxiously waiting for their parents to return. With nowhere to escape, the two siblings are about to discover that they are not entirely alone. As much as they try to deny the truth, something behind the attic door has awakened and they must now face their greatest fear. THE ATTIC DOOR is the story of love, loss, loneliness, and the truth behind childhood fears.