When Twilight leaves Starlight in charge of the School of Friendship, Discord is frustrated that he wasn’t asked, so he does what he can to make Starlight’s new role impossible.

The Mane Six scramble to save the Crystal Empire from an eternal winter; Starlight struggles after the failed reunion with her old friend.

The Mane Six attend the Crystalling of Cadence and Shining Armor’s new baby at the Crystal Empire; Twilight gets the chance to present Starlight with her first friendship lesson.