Following the Mane Six’s visit to the Donut Shop after the villains’ defeat in ‘The Ending of the End’ Discord was confronted once again by the heroes for all the could-have-been prevented trouble that would have doomed Equestria if it were not for them to save the day.
Fluttershy is deeply upset that the draconneques she helped to reform would do something so bad, and struggles to help him make amends before he has to suffer a terrible consequence for his crimes.
I am not really a Fluttercord shipper, but I would like to write this story to make the shippers happy, as I hope the writers of MLP can do the same.