General Iroh of the Fire Nation finds an infant Princess Cadence shortly after the death of his son. Taking it as a sign from the spirits, he decides to raise her.
Princess Cadence works to get over her bigotry of Changelings. Events within the Changeling ranks however make it appear as though that is not all she'll have to worry about.
Cadance goes into the Changeling Hive with a mission to normalize the relationship between them and Equestria. Learning about Changeling society and having pleasant conversation with Chrysalis ensues.