All families have problems, but some problems are scarier than others.
Lisl Pratt is ten years old. Her mother, Mischa, is a nurse, putting off a career in photography to cover the familys bills while her father, Harrison, the famous author, deals with writers block. When her adventurer Granddad dies mysteriously, Lisl and her parents travel to the old family estate to take care of Grandma. Lisl soon encounters a frightening creature, but is certain the adults wont believe her. Eventually Lisl suspects Grandad might even be haunting the house. As the adults begin to withdraw into their own worlds, leaving Lisl to fend for herself, the little girl dons her grandfathers adventure gear and sets out to track down the monster on her own. When she discovers what the creature is doing to her family, she must figure out how to save them and battle the Lorlok once and for all.