Sixth grade is coming to an end, and so is life as Macy McMillan knows it. Already a “For Sale” sign mars the front lawn of her beloved house. Soon her mother will upend their perfect little family, adding a stepfather and six-year-old twin stepsisters. To add insult to injury, what is Macy’s final sixth grade assignment? A genealogy project. Well, she’ll put it off – just like those wedding centerpieces she’s supposed to be making.