Poppy, Marcus, Dash, Dylan, and Azumi are all trapped within Shadow House, a sinister estate where past and present intertwine. As they fight to find a way out, the kids think the ghosts of the house are the greatest danger they face. Little do the kids know it's the secrets they're each hiding that will prove even more lethal.

They're going to have to come face-to-face with their fears if they stand any hope of escaping the house alive. Is there anyone or anything in the house they can trust? Or is all home disappearing, too . . . ?