Chris Cross' parents are coming for a visit and the Cross family is about to have their lives turned upside down. Judith Cross and her step-grandson, Mikey, want to find a mystery of their own to solve. Unfortunately, they find one in an old house formerly owned by a gothic mystery writer. What type of secrets might an author with an imagination leave for her twin daughters to find? And which of these secrets will leave the Cross family with a mystery to solve?