Princess Celestia and Cadence agree it is about time Luna found a consort to cheer her up, but have trouble finding the right pony for her. Discord picks up on this situation and decides to lend a hand in his own, special way.
After being in love for a short while, Twilight and Trixie attempt to explore a little role-play, which Twilight naturally ends up taking one step too far much to Trixie's distress.