Mallory's starting fourth grade and everything's perfect! She has a new computer, a pair of just-right back-to-school shoes, and her best friend, Mary Ann, is in her class. But somehow things go from perfectly good to perfectly bad. Mallory's first crush is the same boy Mary Ann likes - and Mary Ann gets all his attention. And even though she has the right shoes, Mallory somehow gets off on the wrong foot with her teacher, Mr. Knight. Can Mallory find a way to turn things around and put her best foot forward?