The summer holidays are almost over and Rose will soon be starting fifth grade. She wonders excitedly what it will be like to see all her classmates again. She likes school, but it can be hard to make friends. Will the tough girls be as annoying as they were before the summer, or will they have changed and become a little nicer? Rose is pleasantly surprised at first when she is invited to join the popular girls' group. It all feels fun and lovely, except for her guilty conscience about shutting out Klara. Then suddenly her luck changes and it's no longer Klara who is all alone during the breaks, but Rose herself ...