Addie is the middle sister - and she feels ignored. It's hard being the middle sister. When a bracelet arrives in the mail for her, she puts it on. Without thinking, she makes a wish. Addie wishes she were no longer the middle sister.And a Freaky Friday is pulled. She's immediately transported into her older sister's body. Her youngest sister is now herself and her oldest sister is now the youngest.It makes like (especially homework) challenging. Addie's loving the relaxed rules. As Sophie, she has her own room. She has her own phone. But she misses her friends. Her older sister doesn't have any friends. That's when Addie decides to make her sister's life better. Addie's determined to help her sister gain friends and stop worrying so much about schoolwork.But is that what she's supposed to do? How will they switch back and when?