A sensational video turns Molly's excitement about an upcoming dentist visit into panic. Do dentists really drill cavities with jackhammers? Then, it's all fun and secret spy games until Molly and Tooey stumble across a mystery visitor in Qyah. The duo deduces the visitor must be a spy when they examine the stranger's clothing and hear a conversation between an unfamiliar voice and Auntie Midge in a language that sounds like "secret code."