Sharing your favorite person with someone else is not always easy. Bertha firmly believes that she is Judy's absolute best friend, and she wants to keep Judy all to herself. Whenever Judy happily plays with the other kids in the neighborhood, Bertha feels a sharp sting of jealousy. She starts to criticize everyone else, trying to prove that nobody is as good a friend as she is. You will recognize the complicated feelings of wanting to be the most important person in the room. This honest story dives straight into the messy, true-to-life struggles of playground dynamics and loyalty. It shows that true friendship has plenty of room for everyone and that jealousy only gets in the way of having fun.