Everyone knew that the Mancy kids were to be avoided, all thirteen of them. And everyone knew that Mrs. Rose and her husband were spies. Between watching out for the Mancys and keeping an eye on the Roses, Rhoda and her friends were going to have a busy summer. And then Rhoda began to wonder whether everyone was right. As one question, one doubt, led to another, the line between "us" and "them" began to blur, and Rhoda found excitement in some surprising places.