Katy Carr likes running around. She wants to set a good example to her five brothers and sisters but she is always untidy and forgetful. She also dreams of being grown up and famous. Then one terrible day all her dreams seem to come to an end. Katy feels very sorry for herself until Cousin Helen comes to stay and she teaches Katy an invaluable lesson. Will Katy be able to learn from her situation and become the Katy everyone knows and loves again