After her friends worry about Applejack getting rough with too much cider in her system, they make her attend an AA meeting, to try and solve her sick little problem.

Celestia sends an extremely smart filly prodigy to Ponyville to spend time with Twilight, Celestia's number one student, in hopes that the two will learn from each other and become friends in the process, but, Twilight doesn't like the fact that some young filly can waltz into her home and overthrow her crown in intelligence.