The newly knighted Flash Sentry has returned to his life of keeping the peace. But even that has problems as his new responsibilities as a knight, member of the friendship council, and a certain new relationship with Twilight will keep him busy.
Twilight Sparkle, now the Princess of Friendship, focuses on proving to everypony through the adventures of Season 5 of Friendship is Magic onwards that she truly has redeemed herself for her past actions as Midnight Sparkle.