Criminals have stolen a Lodge Industries boring machine and are using it to weaken the foundations of buildings and collapse them. When Betty hears that they're demanding sweet potatoes as ransom, she becomes interested in the case.; Betty shows her cousin Lisa a computer program she and Dilton have developed that allows the user to design fashions and drape them on models - - basically electronic paper dolls.; Betty gets to spend the afternoon at home on her own and quickly realizes it's not what she'd anticipated it to be.