Mister Lonely Heart is a changeling "Grievance Councelor", who imitates ponies that his clients have problems with. Applejack wants to say a few choice words to a relative. A dead relative.
Mister Lonely Heart is a self-styled "Grievance Counselor", a changeling who mimics ponies that his clients have issues with. When Twilight Sparkle pays him a visit, he finds out how painfully neurotic the Princess of Friendship really is.
It's been a few months since Greg left the hive to be with the love of his life, Cotton Candy. For now, all seems to be going well: too bad fate has other things planned for them.
During a mass teleport spell gone wrong, six... well, heroes would be giving them too much credit. Six beings of differing abilities are brought into Equestria, not knowing why they are there, but that someone needs liberal buttkicking!