In the 13th Ruby and Ficelle book, everyone is looking for Baldy Bob, a nasty pigtail-cutting thief. Ruby claims that Ficelle used to be bald, and in revenge, Ficelle cuts off her sisters pigtails. Ficelle runs away and convinces the town policeman that the real culprit is Baldy Bob. Will Ruby find out the truth? And was Ficelle the only bald baby of the family?