Fourth grader Sarai Gonzalez can do anything. She can bake, dance, and run her own cupcake business. But when Sarai's grandparents are forced to move, even Sarai's not sure what to do. So she hatches a super-awesome plan with her younger sisters and cousin to buy back the house. But houses are more expensive than she ever thought, her sisters won't listen, and she's running out of time. Will Sarai find a way to save the day?