Nancy's search of the mansion's dark, musty attic for clues to the weird mystery starts a frightening chain reaction. A phone call from a stranger with a witchlike, cackling voice warns her to "Get out!" Next an encounter with two jewel theft suspects adds another perplexing angle to the puzzle. When Nancy finally sees the life-size puppet flitting across the moonlit lawn and chases it, she learns that someone with a sinister motive is determined to keep her form solving the case. Is it one of the Footlighters? Or is it an outsider?